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MedWorm.com provides a medical RSS filtering service. Over 7000 RSS medical sources are combined and output via different filters. This feed contains the latest news and research in Universities & Medical Training



Last Build Date: Mon, 28 Mar 2016 02:23:21 +0100

 



[Adrenal insufficiency of the adult].

Sun, 27 Mar 2016 15:12:02 +0100

Authors: Jublanc C, Bruckert E Abstract Adrenal insufficiency is a rare but life-threatening disorder. Clinical manifestations include fatigue, weight loss, gastrointestinal manifestations and skin hyperpigmentation, the latter being specific of primary adrenal failure. Because of non-specific clinical features of this rare disorder, diagnosis can be delayed and adrenal failure be revealed by an acute crisis. Adrenal insufficiency can be primary (Addison disease), most frequently autoimmune, or secondary, resulting from long term administration of exogenous glucocorticoids or more rarely from pituitary disorders. Monitoring of substitutive treatment is now well codified. Patient education is very important in this chronic disease that remains associated with a persistent high risk ...

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Psychosocial risks in Psychiatry and Anaesthesiology residents in a Portuguese General and University Hospital.

Sun, 27 Mar 2016 15:04:02 +0100

CONCLUSIONS: These results suggest that residents have a health risk which derives from the cognitive demands of their work and that it increases with the workload.  This implicates the need for occupational health measures to be taken to manage and reduce these psychological risks. PMID: 27015028 [PubMed - as supplied by publisher] (Source: Medicina del Lavoro)



Conservative treatment of tendinopathies of upper limbs in occupational health: a literature review.

Sun, 27 Mar 2016 15:04:02 +0100

CONCLUSIONS: After a timely diagnosis, a prompt start of the rehabilitation programme and a limitation of complete rest are useful to relieve pain, increase functionality and reduce work absenteeism in the long term. Conservative treatment combinations, such as manual therapy, specific exercises focused on increasing flexibility and muscle strength and specific-gesture training, achieves more significant results than a single isolated treatments. Currently, there is no strong scientific evidence to support prolotherapy and Platelet-Rich Plasma (PRP). However, current promising results will encourage further studies. Awareness among both employers and employees about prevention and risk factors should be enhanced. PMID: 27015027 [PubMed - as supplied by publisher] (Source: Medicina del ...



White Blood Cell Count to Mean Platelet Volume Ratio Is a Prognostic Factor in Patients with Non-ST Elevation Acute Coronary Syndrome with or without Metabolic Syndrome.

Sun, 27 Mar 2016 13:03:02 +0100

CONCLUSION: Among NSTE-ACS patients without revascularization therapy, elevated admission WMR was associated with an increased risk of developing composite MACE in MetS individuals but not in non-MetS patients. PMID: 27014354 [PubMed] (Source: Korean Circulation Journal)



Lens density measurement with Scheimpflug camera in vitrectomised eyes.

Sun, 27 Mar 2016 12:37:02 +0100

CONCLUSIONS: The lens DOS in vitrectomised eyes is higher than in non-vitrectomised eyes. The importance of the vitreous in the maintenance of lens transparency is emphasised. PMID: 27012183 [PubMed - as supplied by publisher] (Source: Archivos de la Sociedad Espanola de Oftalmologia)



Often seen, rarely recognized: mast cell activation disease - a guide to diagnosis and therapeutic options.

Sun, 27 Mar 2016 10:13:01 +0100

Authors: Afrin LB, H Butterfield J, Raithel M, J Molderings G Abstract Mast cell (MC) disease has long been thought to be just the rare disease of mastocytosis (in various forms, principally cutaneous and systemic), with aberrant MC mediator release at symptomatic levels due to neoplastic MC proliferation. Recent discoveries now show a new view is in order, with mastocytosis capping a metaphorical iceberg now called "MC activation disease" (MCAD, i.e. disease principally manifesting inappropriate MC activation), with the bulk of the iceberg being the recently recognized "MC activation syndrome" (MCAS), featuring inappropriate MC activation to symptomatic levels with little to no inappropriate MC proliferation. Given increasing appreciation of a great menagerie of mutations in MC re...

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The Reasearch on the Anti-Fatigue Effect of Whey Protein Powder in Basketball Training.

Sun, 27 Mar 2016 08:04:02 +0100

Authors: Ronghui S Abstract In order to observe the effects of whey protein powder on hematological indexes of players majoring in physical education in the basketball training, the authors divided the players randomly into a control group and a nutrition group. Athletes complete the 30 minutes quantitative exercise using cycle ergometer respectively before the trial and after one month trial. Then we exsanguinated immediately after exercise, extracted heparin and measured hemoglobin, red blood cell count, hematocrit and mean corpuscular volume and other hematological indices. The results showed that after taking whey protein powder, the HB, RBC, HCT of nutrition group was significantly higher that the control group. This suggests that in high-intensity training, taking whey protei...



The Research on the Impact of Green Beans Sports Drinks on Relieving Fatigue in Sports Training.

Sun, 27 Mar 2016 08:04:02 +0100

Authors: Qi L, Ying L Abstract For researching the function of relieving fatigue of green beans sports drinks, this paper selected 60 mice as subjects. They were randomly divided into four groups (low dose group, middle dose group, high dose group and physiological saline group). Each time they were respectively feed 10g 20g/L, 40g/L, 80 g/L green beans sports drinks and 15ml/(kg.d) physiological saline. The experiment lasted for a month. We recorded weight of mice, swimming time and blood urea nitrogen indicators. The results show that green beans sports drinks can significantly prolong swimming time of mice (p <0.05). For serum urea the results show no effect. So green beans sports drinks have a certain function of relieving physical fatigue. PMID: 26998181 [PubMed] (Sour...



Research on Effects and Compatibility Taking of Different Sports Supplements on the Biochemical Indicators and Body Functions of Elite Walking Athletes.

Sun, 27 Mar 2016 08:04:02 +0100

Authors: Jia J Abstract Scientific training, elimination of fatigue, and reasonable nutrition is the three important parts of successful training. Especially in the fatigue recovery and reasonable nutrition of track and field endurance project, which is more important than other project significance? This paper is to more scientific nutritional intervention on the walking athletes to improve athletic performance and provide experimental evidence 12 male and 12 female athletes were selected from the Chinese national walking team were given the nutrition intervention of a variety of sports supplements for 9 weeks. The serum testosterone (T), blood urea (BU), and serum creative phosphokinase (CK) and other indicators were tested in several weekends. The results showed that the differe...



Tocotrienol improves learning and memory deficit of aged rats.

Sun, 27 Mar 2016 07:01:02 +0100

Authors: Kaneai N, Sumitani K, Fukui K, Koike T, Takatsu H, Urano S Abstract To define whether tocotrienol (T-3) improves cognitive deficit during aging, effect of T-3 on learning and memory functions of aged rats was assessed. It was found that T-3 markedly counteracts the decline in learning and memory function in aged rats. Quantitative analysis of T-3 content in the rat brain showed that the aged rats fed T-3 mixture-supplemented diet revealed the transport of α- and γ-T-3 to the brain. In contrast, normal young rats fed the same diet did not exhibit brain localization. Furthermore, the T-3 inhibited age-related decreases in the expression of certain blood brain barrier (BBB) proteins, including caludin-5, occludin and junctional adhesion molecule (JAM). It was found that the...



PGE2-EP3 signaling pathway contributes to protective effects of misoprostol on cerebral injury in APP/PS1 mice.

Sun, 27 Mar 2016 05:28:02 +0100

Authors: Tian X, Ji C, Luo Y, Yang Y, Kuang S, Mai S, Ma J, Yang J Abstract Epidemiological studies indicate chronic use of non-steroidal anti-inflammatory drugs (NSAIDs), which inhibit the enzymatic activity of the inflammatory cyclooxygenases (COX), reduces the risk of developing Alzheimer's disease (AD) in normal aging populations. Considering multiple adverse side effects of NSAIDs, findings suggest that COX downstream prostaglandin signaling function in the pre-clinical development of AD. Our previous study found that misoprostol, a synthetic prostaglandin E2 (PGE2) receptor agonist, has neuroprotection against brain injury induced by chronic aluminum overload. Here, we investigated the neuroprotective effects and mechanisms of misoprostol on neurodegeneration in overexpressin...

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Monochorionic versus dichorionic twins: Are obstetric outcomes always different?

Sun, 27 Mar 2016 03:07:01 +0100

Authors: Coutinho Nunes F, Domingues AP, Vide Tavares M, Belo A, Ferreira C, Fonseca E, Moura P Abstract This prospective cohort study compared obstetric, perinatal and postpartum outcomes of monochorionic diamniotic (n = 228) versus (vs.) dichorionic (n = 598) twin pregnancies. Statistical analysis was performed using software SPSS® v19.0.0.2. Chi square, Fischer's exact, Student's t and Mann-Withney tests were applied. Obstetrical complications rates were 85.5% vs. 75.1% (p < 0.01). Differences were found in preterm premature rupture of membranes (26.3% vs. 19.3%, p < 0.05) and intrauterine growth restriction (19.7% vs. 10.5%, p < 0.01). Twin-to-twin transfusion syndrome (TTTS) occurred in 7.9% of monochorionic pregnancies. Vaginal delivery occurred ...



Eye care services utilisation among pregnant women in Nigeria.

Sun, 27 Mar 2016 03:07:01 +0100

Authors: Ibraheem WA, Ibraheem AB, Owonikoko M, Tijani A, Olamoyegun MA, AbdSalam S Abstract One hundred and sixty-five pregnant Nigerian women attending the antenatal clinic of LAUTECH teaching hospital, Ogbomoso, Nigeria between January and April 2014 were interviewed using a structured questionnaire. Socio-demographic characteristics of the respondents were obtained. Respondents were also asked: if they had had their eye examined by an eye specialist during the index pregnancy, frequencies of visit to eye care centers and indications for their visitation. A history of previous eye examination by eye care specialist/visit to eye clinic was considered as eye care utilisation. Selection of eligible subjects who consented to participate in the study was done using simple random tech...



Lapses in skin conductance responding across anatomical sites: Comparison of fingers, feet, forehead, and wrist

Sun, 27 Mar 2016 02:34:31 +0100

Abstract The fingers are widely accepted as the gold standard for skin conductance (SC) recording, with the feet as a strong alternative. However, there are gaps in the current literature comparing these sites. There is also a great deal of interest in alternative recording sites to permit mobility, but data evaluating these are few and inconsistent. The present report compared multiple sites (fingers, abductor hallucis of the foot, arch of the foot, toes, forehead, and wrist) from 45 college student participants in a short‐term sedentary laboratory setting and found large variation in both tonic and phasic SC responses, as well as crucial lapses in responding at nonpalmar sites. Across‐site correlations between participants and within participants were also examined. The present data ...



The quality of medical record documentation and External cause of fall injury coding in a tertiary teaching hospital.

Sun, 27 Mar 2016 01:31:02 +0100

Authors: Cunningham J, Williamson DW, Robinson KM, Carroll R, Buchanan R, Paul L Abstract This paper reviews the documentation and coding of External causes of admitted fall cases in a major hospital. Intensive analysis of a random selection of 100 medical records included blind re-coding in the International Statistical Classification of Diseases and Related Health Problems, Tenth revision, Australian Modification (ICD-10-AM), Fifth Edition for External causes to ascertain whether: (i) the medical records contained sufficient information for assignment of specific External cause codes; and (ii) the most appropriate External cause codes were assigned per available documentation. Comparison of the hospital data with the state-wide Victorian Admitted Episodes Database (VAED) data on ...



Quality improvement- where do we stand?

Sat, 26 Mar 2016 23:00:00 +0100

Publication date: Available online 26 March 2016 Source:British Journal of Oral and Maxillofacial Surgery Author(s): Ben Green, Ben M. Janaway, Peter A. Brennan Improvements in quality are commonly used to measure outcome in modern medicine. The drive to improve services nationally and to reduce the financial burden, which is at the forefront of NHS policy, attracts political debate and is constantly the focus of media attention. However, before this can be done in surgery, we need to learn from ongoing work and recognised systems for quality review and implementation, and develop national processes for sustained improvement. As a specialty, Oral and maxillofacial surgery is a good example. (Source: British Journal of Oral and Maxillofacial Surgery)

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Ablation of fast-spiking interneurons in the dorsal striatum, recapitulating abnormalities seen post-mortem in Tourette syndrome, produces anxiety and elevated grooming

Sat, 26 Mar 2016 23:00:00 +0100

Publication date: 2 June 2016 Source:Neuroscience, Volume 324 Author(s): M. Xu, L. Li, C. Pittenger Tic disorders, including Tourette syndrome (TS), are thought to involve pathology of cortico-basal ganglia loops, but their pathology is not well understood. Post-mortem studies have shown a reduced number of several populations of striatal interneurons, including the parvalbumin-expressing fast-spiking interneurons (FSIs), in individuals with severe, refractory TS. We tested the causal role of this interneuronal deficit by recapitulating it in an otherwise normal adult mouse using a combination transgenic-viral cell ablation approach. FSIs were reduced bilaterally by ∼40%, paralleling the deficit found post-mortem. This did not produce spontaneous stereotypies or tic-like movements, ...



What Causes Agitated Movement in Bipolar...

Sat, 26 Mar 2016 23:00:00 +0100

Psychomotor agitation is purposeless, intense restlessness brought on by mental tension. Learn more about psychomotor agitation. (Source: About.com Bipolar Disorder)



Can Your Bipolar Medications Make You...

Sat, 26 Mar 2016 23:00:00 +0100

Somnolence is when you're so sleepy you're almost asleep. It can be dangerous at the wrong time (like when driving). Learn about potential causes. (Source: About.com Bipolar Disorder)



Individualized Household Allergen Intervention Lowers Allergen Level But Not Asthma Medication use: A Randomized Controlled Trial

Sat, 26 Mar 2016 23:00:00 +0100

Conclusions Targeted allergen avoidance measures do not allow for reduction in asthma pharmacologic therapy compared with usual care in patients already receiving optimal controller therapy. (Source: The Journal of Allergy and Clinical Immunology: In Practice)



Breast Brachytherapy - SAVI Device for...

Sat, 26 Mar 2016 23:00:00 +0100

Learn about the SAVI breast brachytherapy device for reducing recurrence after a lumpectomy via accelerated partial breast irradiation. (Source: About.com Breast Cancer)

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Predictors of depression severity in a treatment-seeking sample

Sat, 26 Mar 2016 23:00:00 +0100

Conclusions: The study contributes to the profiling of the incidence and predictors of severity of depression in an Irish context. The results confirm some of the known risk factors and highlight the need for further research to be carried out on screening for depression and increasing access to interventions. (Source: International Journal of Clinical and Health Psychology)



Outcomes and prognostic factors of simple partial cystectomy for localized bladder urothelial cell carcinoma

Sat, 26 Mar 2016 23:00:00 +0100

In this study, we sought to identify predictors of bladder recurrence and overall survival after simple partial cystectomy. We included 27 patients with bladder tumor who received simple partial cystectomy without pelvic lymph node dissection between March 2000 and September 2013. Adjuvant chemotherapy or radiation therapy was prescribed according to the pathological results. Parameters were compared on the basis of bladder recurrence and overall survival. During a mean follow-up time of 39 months, five patients (18.5%) experienced bladder recurrence. An older age, a higher pathological stage, positive surgical margins, and distant metastases were significant predictors of overall survival (p = 0.031, p = 0.001, p = 0.001, and p = 0.011, respectively). Meanwhile, previous bladder ...



Novel treatment of symptomatic pontine Virchow–Robin space

Sat, 26 Mar 2016 23:00:00 +0100

Publication date: Available online 27 March 2016 Source:The Kaohsiung Journal of Medical Sciences Author(s): Ying Kao, Shao-Yuan Hsu, Chih-Ju Chang, Jing-Shan Huang (Source: The Kaohsiung Journal of Medical Sciences)



Granulosa cell tumor of the ovary

Sat, 26 Mar 2016 23:00:00 +0100

Publication date: Available online 27 March 2016 Source:Tzu Chi Medical Journal Author(s): Cheng-Fa Chou, Wen-Chih Huang (Source: Tzu Chi Medical Journal)



Global development and current evidence of uniportal thoracoscopic surgery.

Sat, 26 Mar 2016 22:10:02 +0100

In conclusion, uniportal VATS can produce excellent operative outcome, which is becoming a mature surgical approach in thoracic disease, supported by fast-accumulating and abundant experience. PMID: 27014479 [PubMed] (Source: Journal of Thoracic Disease)

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Feasibility and learning curve of uniportal video-assisted thoracoscopic segmentectomy.

Sat, 26 Mar 2016 22:10:02 +0100

CONCLUSIONS: Uniportal thoracoscopic segmentectomy is a safe and feasible technique for treating small pulmonary lesions, with acceptable morbidity and mortality. This technique can be applied to an operation for segments that are technically difficult and anatomically variant. An experienced surgeon can achieve a relatively stable level after 33 cases. PMID: 27014468 [PubMed] (Source: Journal of Thoracic Disease)



Biometric Validation of a Virtual Reality-Based Psychomotor Test for Motor Skill Training.

Sat, 26 Mar 2016 20:59:02 +0100

In this study, a VR-based computer simulation of the Block Design (BD) test (a standardized psychomotor task as part of an adult IQ test) was developed and compared with the physical version of the test. Performance was evaluated based on four types of muscle activation collected using electromyography (EMG), time spent in completing the task, and subjective ratings of workload. Results verified the VR-based task as physically comparable to the conventional BD test. The validated computerized psychomotor task may be applied for both experimental and clinical use in future studies. PMID: 27011301 [PubMed - as supplied by publisher] (Source: Assistive Technology)



Disability Care Center Scholarships

Sat, 26 Mar 2016 20:31:27 +0100

Disability Care Center offers 2 new annual scholarships for college students who have a disabling condition or are majoring in special education (Source: Disabled World)



Blended learning in CME: the perception of GP trainers.

Sat, 26 Mar 2016 20:02:02 +0100

CONCLUSION: GP trainers were positive about blended learning: they found e-learning a useful way to gain knowledge and the meetings a pleasant way of transferring the knowledge into practice. Although some preconditions should be taken into consideration during its development and implementation, they would participate in similarly designed learning in the future. PMID: 27012724 [PubMed - as supplied by publisher] (Source: Education for Primary Care)



Book Review: Intensive Psychotherapy for Persistent Dissociative Processes

Sat, 26 Mar 2016 19:36:15 +0100

If you have ever seen the movies The Three Faces of Eve or Sybil, you might have found yourself second guessing your own behavior or wondering whether close friends or family have multiple personalities, but the popularity and sensationalism of these movies do not necessarily reflect the many nuanced and serious components of dissociative disorders. That’s why so many mental health professionals have spent the years following the production of these two films attempting to explain dissociative disorders.  The latest attempt, Richard Chefetz’s Intensive Psychotherapy for Persistent Dissociative Processes: The Fear of Feeling Real, does a fantastic job of explaining the dissociative process of patients who have struggled with connecting their painful history to their current real...

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5 Ways to Enhance Relationships

Sat, 26 Mar 2016 15:50:23 +0100

Many of our problems come down to one singular issue - relationships. There are misunderstandings, miscommunication, and just generally taking others for granted. Even with the best of intentions, we sometimes fail to give our loved ones, friends, co-workers, and acquaintances the respect, affection, and understanding that they deserve. Think about it -- have you ever been shocked when a friend, family member, or partner shared that they felt unappreciated, unloved, or even disrespected? We've all probably experienced this to some degree, and we're left puzzled and ashamed that this person that we valued wasn't exactly feeling valued. Strong relationships are essential to health and happiness. It plays out in our day-to-day life through our jobs, community, hobbies, and at home. Healthy ...



Moments Turn Into Memories -- Saying Goodbye to My Grandmother

Sat, 26 Mar 2016 15:49:15 +0100

What is in a moment? Is one moment not just a blip in all the moments of our lives? Sure it is. One moment is just that right? It is nothing more, nothing less. A moment is a piece of time that happens and then moves on as our lives propel forward. Or is it? I have had an awful lot of time to think about moments lately. I have to tell you, if you ask me, moments are so much more than the minutes and memories they contain. They are a part of us. They are a part of who we once were, but even more than that they are a part of who we are. We spend our lives saying goodbye. We do it on a daily basis. We kiss our spouses goodbye in the morning before we head off to work. We say goodbye to our children as they begin their school day. We say goodbye to friends after preschool drop off. We say go...



6 Amazing Tips for Staying in Shape While Traveling

Sat, 26 Mar 2016 15:48:58 +0100

Staying fit while on the road (and otherwise) is extremely important and somehow I feel that fitness and travel go hand in hand. If you travel a lot , you tend to stay fit and if you are not fit, traveling is just not as much fun, or important anymore -- after all, health always comes first, right? I would like to think of myself as a fit traveler though I am always striving towards harder fitness goals. Staying focused and motivated is the key. As a traveler, any sort of "regular" gym sessions are impossible , however, if you are focused, you can exercise literally anywhere in the world. You don't need a fancy gym and regular classes to keep yourself in shape. People often ask me how I stay fit (modestly isn't my virtue, as you see) and the answer is simple -- I am always "on the move" ...

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Feasibility of an Exercise Program for Patients With Thrombocytopenia Undergoing Hematopoietic Stem Cell Transplant

Sat, 26 Mar 2016 14:34:12 +0100

Conclusion: Results support the feasibility of having patients with HSCT participate in an exercise training program during the acute recovery phase from an HSCT transplant, even with various levels of thrombocytopenia and identified exercise barriers to exercise including nausea. A prescribed exercise program in this setting may minimize side effects of inactivity. (Source: The Journal of Acute Care Physical Therapy)



Hypertension Management in Primary Care.

Sat, 26 Mar 2016 14:24:02 +0100

CONCLUSION: After the short follow-up of 5 months, the intervention had no impact on BP control but improved the use of practice strategies. PMID: 27010951 [PubMed - in process] (Source: Deutsches Arzteblatt International)



Glitch In Your Golf Swing? Listen To It Sing

Sat, 26 Mar 2016 11:54:00 +0100

Stanford professor Jonathan Berger turns golf stroke data into sound. A nice sound means it's a good swing, a sour sound means something's not right. He tells Scott Simon how that helps people learn. (Source: NPR Health and Science)



Predictive factors for loneliness in female high school students; an unvariate and multivariate logistic regression analysis - RahimPour P, Hashemian A, Direkvand-Moghadam A, Direkvand-Moghadam A.

Sat, 26 Mar 2016 11:13:34 +0100

Background and aims: Loneliness typically includes anxious feelings. It is particularly relevant to adolescence period. It has effect on physical and mental health. The present study aimed to identify the predictive factors of loneliness among high schools... (Source: SafetyLit)

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Sexual orientation and first-year college students' nonmedical use of prescription drugs - Shadick R, Dagirmanjian FB, Trub L, Dawson H.

Sat, 26 Mar 2016 11:13:34 +0100

OBJECTIVE: To examine differences between heterosexual and lesbian, gay, bisexual, and questioning students' nonmedical use of prescription drugs (NMUPD). Participants: First-year university students between October 2009 and October 2013 who self-identifie... (Source: SafetyLit)



Profile of deaths due to poisoning in a medical college teaching hospital - Patil B, Patil D.

Sat, 26 Mar 2016 11:13:34 +0100

Poisoning deaths are more in developing countries and they vary from one place to other. Retrospective study done at RIMS Hospital, Karnataka. 100 poisoning cases of 2014-15 were considered for the study. The study done to know the age, sex, commonest type... (Source: SafetyLit)



Simulation as a training tool for intimate partner violence screenings - Wood L.

Sat, 26 Mar 2016 11:13:34 +0100

Background This project developed an intimate partner violence (IPV) training program that included a simulation experience for a Midwestern nursing school's undergraduate curriculum. The IPV training program incorporated both traditional teaching modalit... (Source: SafetyLit)



The relationship between nonsuicidal self-injury and suicidal ideation - Wester KL, Ivers N, Villalba JA, Trepal HC, Henson R.

Sat, 26 Mar 2016 11:13:34 +0100

This correlational study was conducted with 403 undergraduate college students from 2 universities. The authors used path analysis and bootstrap regression to analyze the relationships between variables. Locus of control and family connectedness related to... (Source: SafetyLit)



The retinal nerve fiber layer, choroidal thickness, and central macular thickness in morbid obesity: an evaluation using spectral-domain optical coherence tomography.

Sat, 26 Mar 2016 11:11:03 +0100

CONCLUSIONS: We have demonstrated by SD-OCT that morbid obesity may have a significant influence on RNFL, RGC, and CT. Morbid obesity may induce inflammatory, hormonal, and metabolic changes. PMID: 27010146 [PubMed - in process] (Source: European Review for Medical and Pharmacological Sciences)

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8 Behaviors That Are Actually Contagious, According To Science

Sat, 26 Mar 2016 11:00:02 +0100

Certain behaviors -- like laughing and yawning -- can be easier to catch than the cold that's going around your office, according to psychologists.  "Behavioral contagion" is a well-documented phenomenon in psychology. Our brains are hardwired for social interaction and bonding. Mimicking the actions we see in those around us is a natural way that we empathize and gain a sense of how others are feeling. Here's a sampling of some of the behaviors that we might "catch" from our friends or coworkers.   Perhaps the best-known contagious behavior is yawning -- even dogs can catch yawns from their owners. Contagious yawning is a sign of empathy and a form of social bonding.   Risk-Taking This may explain how groups of teenage boys can do such stupid things: Risky behavio...



7 Behaviors That Are Actually Contagious, According To Science

Sat, 26 Mar 2016 11:00:02 +0100

Certain behaviors -- like laughing and yawning -- can be easier to catch than the cold that's going around your office, according to psychologists.  "Behavioral contagion" is a well-documented phenomenon in psychology. Our brains are hardwired for social interaction and bonding. Mimicking the actions we see in those around us is a natural way that we empathize and gain a sense of how others are feeling. Here's a sampling of some of the behaviors that we might "catch" from our friends or coworkers.   Perhaps the best-known contagious behavior is yawning -- even dogs can catch yawns from their owners. Contagious yawning is a sign of empathy and a form of social bonding.   Risk-Taking This may explain how groups of teenage boys can do such stupid things: Risky behavio...



Relationship Between Agility Tests and Short Sprints: Reliability and Smallest Worthwhile Difference in National Collegiate Athletic Association Division-I Football Players

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: Mann, JB, Ivey, PA, Mayhew, JL, Schumacher, RM, and Brechue, WF. Relationship between agility tests and short sprints: reliability and smallest worthwhile difference in National Collegiate Athletic Association Division-I football players. J Strength Cond Res 30(4): 893–900, 2016—The Pro-Agility test (I-Test) and 3-cone drill (3-CD) are widely used in football to assess quickness in change of direction. Likewise, the 10-yard (yd) sprint, a test of sprint acceleration, is gaining popularity for testing physical competency in football players. Despite their frequent use, little information exists on the relationship between agility and sprint tests as well the reliability and degree of change necessary to indicate meaningful improvement resulting from training. The purpose of th...

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The Effects of Attentional Focusing Instructions on Force Production During the Isometric Midthigh Pull

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: Halperin, I, Williams, KJ, Martin, DT, and Chapman, DW. The effects of attentional focusing instructions on force production during the isometric midthigh pull. J Strength Cond Res 30(4): 919–923, 2016—Verbal instructions play a key role in motor learning and performance. Whereas directing one's attention toward bodily movements or muscles (internal focus) tends to hinder performance, instructing persons to focus on the movement outcome, or an external object related to the performed task (external focus) enhances performance. The study's purpose was to examine whether focus of attention affects maximal force production during an isometric midthigh pull (IMTP) among 18 trained athletes (8F & 10M). Athletes performed 3 IMTP trials a day for 3 consecutive days. The first day wa...



Changes in Maximal Strength, Velocity, and Power After 8 Weeks of Training With Pneumatic or Free Weight Resistance

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: Frost, DM, Bronson, S, Cronin, JB, and Newton, RU. Changes in maximal strength, velocity, and power after 8 weeks of training with pneumatic or free weight resistance. J Strength Cond Res 30(4): 934–944, 2016—Because free weight (FW) and pneumatic (PN) resistance are characterized by different inertial properties, training with either resistance could afford unique strength, velocity, and power adaptations. Eighteen resistance-trained men completed baseline tests to determine their FW and PN bench press 1 repetition maximum (1RM). During the FW session, 4 explosive repetitions were performed at loads of 15, 30, 45, 60, 75, and 90% 1RM to assess force, velocity, and power. Participants were then assigned to a FW or PN training group, which involved three 90-minute sessions per...



Comparison of Kinematics and Muscle Activation in Free-Weight Back Squat With and Without Elastic Bands

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: Saeterbakken, AH, Andersen, V, and van den Tillaar, R. Comparison of kinematics and muscle activation in free-weight back squat with and without elastic bands. J Strength Cond Res 30(4): 945–952, 2016—The purpose of the study was to compare kinematic muscle activation when performing 6 repetition maximum (6RM) squats using constant (free weights) or variable resistance (free weights + elastic bands). Twenty recreationally trained women were recruited with 4.6 ± 2.1 years of resistance training experience and a relative strength (6RM/body mass) of 1.1. After a familiarization session identifying the 6RM loads, the participants performed 6RM squats using constant and variable resistance in a randomized order. The total resistance in the variable resistance group was similar to...



Peak Power Output in the Bench Pull Is Maximized After Four Weeks of Specific Power Training

Sat, 26 Mar 2016 10:25:17 +0100

This study suggests that improvements in power output can be realized within a few weeks when training with the optimal load but training in such a way for a longer duration may be ineffective. Strength and conditioning coaches should consider periodizing power training to maximize gains in power output capabilities. (Source: Journal of Strength and Conditioning Research)



Impact of Fitness Characteristics on Tennis Performance in Elite Junior Tennis Players

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: Ulbricht, A, Fernandez-Fernandez, J, Mendez-Villanueva, A, and Ferrauti, A. Impact of fitness characteristics on tennis performance in elite junior tennis players. J Strength Cond Res 30(4): 989–998, 2016—The impact of fitness characteristics on tennis performance in adolescent players is not clearly understood. Therefore, the aim of the present study was to test whether physical characteristics are related to players' competitive level (i.e., national youth ranking). A secondary aim was to compare adolescent tennis players by performance level (i.e., regional selected players and the national team). A total of 902 male and female junior players (aged, 11–16 years) in Germany were evaluated using a physical testing battery: grip strength; countermovement jump; 10 and 20-m s...

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Optimizing Interval Training at Power Output Associated With Peak Oxygen Uptake in Well-Trained Cyclists

Sat, 26 Mar 2016 10:25:17 +0100

In conclusion, the present study suggests that the 30-second work interval protocol acutely induces a larger exercise stimulus in well-trained cyclists than the protocols using work periods of 50% of Tmax or 80% of Tmax. The practical application of the present findings is that fixed 30-second work intervals can be used to optimize training time at MAP and time ≥90% of V[Combining Dot Above]O2peak in well-trained cyclists using MAP exercise intensity and a 2:1 work:recovery ratio. (Source: Journal of Strength and Conditioning Research)



The Presence of Bilateral Imbalance of the Lower Limbs in Elite Youth Soccer Players of Different Ages

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: Atkins, S, Bentley, I, Hurst, H, Sinclair, J, and Hesketh, C. The presence of bilateral imbalance of the lower limbs in elite youth soccer players of different ages. J Strength Cond Res 30(4): 1007–1013, 2016—The aim of this study was to examine bilateral differences in ground reaction forces (GRF), measured during a deep squat (DS) exercise, in a population of elite youth soccer players. Bilateral muscle balance is a key component in promoting musculoskeletal health of performers, yet there is a limited evidence base investigating such imbalances in youth. Seventy-four subjects were assigned to performance groups according to chronological age (younger than 13, 14, 15, 16, 17 years). Analysis of physical maturity status revealed that very few players were classified as “ea...



Adding Whole Body Vibration to Preconditioning Exercise Increases Subsequent On-Ice Sprint Performance in Ice-hockey Players

Sat, 26 Mar 2016 10:25:17 +0100

In conclusion, preconditioning exercise performed with WBV at 50 Hz seems to enhance on-ice sprint performance in ice-hockey players. This suggests that coaches can incorporate such exercise into the preparation to specific sprint training to improve the quality of the training. (Source: Journal of Strength and Conditioning Research)



Autonomic Responses to an Acute Bout of High-Intensity Body Weight Resistance Exercise vs. Treadmill Running

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: Kliszczewicz, BM, Esco, MR, Quindry, JC, Blessing, DL, Oliver, GD, Taylor, KJ, and Price, BM. Autonomic responses to an acute bout of high-intensity body weight resistance exercise vs. treadmill running. J Strength Cond Res 30(4): 1050–1058, 2016—The aim of this study was to compare postexercise autonomic nervous system (ANS) recovery between a high-intensity training protocol (HITP) and high-intensity treadmill running (TM) in 10 physically fit males. For each trial, ANS activity was measured through the heart rate variability markers of log-transformed square root of the successive R-R differences (lnRMSSD) and high frequency power (lnHF). These markers were analyzed in 5-minute segments at 5–10 minutes of the pre-exercise period (PRE) and during the postexercise period a...



Effects of Continuous and Interval Training on Running Economy, Maximal Aerobic Speed and Gait Kinematics in Recreational Runners

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: González-Mohíno, F, González-Ravé, JM, Juárez, D, Fernández, FA, Barragán, R, and Newton, RU. Effects of continuous and interval training on running economy, maximal aerobic speed and gait kinematics in recreational runners. J Strength Cond Res 30(4): 1059–1066, 2016—The purpose of this study was to evaluate the effects on running economy (RE), V[Combining Dot Above]O2max, maximal aerobic speed (MAS), and gait kinematics (step length [SL] and frequency, flight and contact time [CT]) in recreational athletes, with 2 different training methods, Interval and Continuous (CON). Eleven participants were randomly distributed in an interval training group (INT; n = 6) or CON training group (CON; n = 5). Interval training and CON performed 2 different training programs (95–11...

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Perceptual Changes in Response to Two Regimens of Interval Training in Sedentary Women

Sat, 26 Mar 2016 10:25:17 +0100

This study examined acute and chronic changes in perceptual measures (rating of perceived exertion [RPE], affect, and arousal) in response to 2 regimens of high-intensity interval training (HIIT). Twenty-three healthy sedentary women (mean ± SD age and V[Combining Dot Above]O2max = 23.0 ± 5.7 years and 30.1 ± 4.4 ml·kg−1·min−1, respectively) were randomized to complete 12 weeks of one of 2 HIIT regimes, whereas an additional 7 women served as sedentary controls. Training was performed 3 days per week on a cycle ergometer and consisted of up to ten 1-minute bouts at moderate (60–80%Wmax = moderate intensity [MOD]) or more intense (80–90%Wmax = HI) workloads separated by active recovery. At baseline and every 3 weeks, RPE, affect, and arousal were measured during training using ...



Influence of Footwear Type on Barbell Back Squat Using 50, 70, and 90% of One Repetition Maximum: A Biomechanical Analysis

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: Whitting, JW, Meir, RA, Crowley-McHattan, ZJ, and Holding, RC. Influence of footwear type on barbell back squat using 50, 70, and 90% of one repetition maximum: a biomechanical analysis. J Strength Cond Res 30(4): 1085–1092, 2016—The effect of footwear type was investigated during the barbell back squat using three-dimensional motion analysis and ground reaction force data. Nine male participants (mean age = 26.4 ± 5.4 years, height = 1.79 ± 0.08 m, and mass = 84.7 ± 16.1 kg) completed 2 experimental testing sessions wearing 2 different forms of training footwear: (a) standard sports trainers (running shoes [RS]) and (b) specialized weightlifting shoes (WS). On each test day, participants completed a sequence of 5, 3, and 1 repetitions of a barbell back squat using 50, 70,...



Force-Velocity-Power Assessment in Semiprofessional Rugby Union Players

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: McMaster, DT, Gill, N, Cronin, J, and McGuigan, M. Force-velocity-power assessment in semiprofessional rugby union players. J Strength Cond Res 30(4): 1118–1126, 2016—There is a constant and necessary evolution of training and assessment methods in the elite contact sports; as is required to continually improve the physical qualities of these respective athletes to match the growing sport and position-specific performance demands. Our aim was to examine the differences between ballistic upper body performance profiles and maximum upper body strength of elite rugby union forwards and backs. Twenty semiprofessional male rugby union players (age = 21.1 ± 3.0 years; mass = 94.9 ± 9.7 kg) were assessed for maximum bench press strength (1RM bench press = 121.3 ± 21.8 kg) and max...



Variable Changes in Body Composition, Strength and Lower-Body Power During an International Rugby Sevens Season

Sat, 26 Mar 2016 10:25:17 +0100

This study determined whether body composition, strength, and power changes that occur during preseason can be maintained during an international rugby sevens season. Fourteen male international rugby sevens players (age 21.4 ± 2.2 years; mean ± SD) were categorized as forward (n = 7) or back (n = 7), and assessed for height, mass (M), skinfolds (S) (∑7), upper-body (UB) strength, lower-body (LB) strength, and LB power. Bench press, back squat, and a countermovement jump were used to measure strength and power at 3 time points: initial, early season, and late season. Forwards were taller (185 ± 4 cm), heavier (95 ± 6 kg), and possessed a greater lean body mass (55.5 ± 4.0 M·S−0.14) than backs (181 ± 8 cm, 88.5 ± 5.5 kg, and 51.9 ± 3.4 M·S−0.14). Over the full season, small ...



Examination of Lifestyle Behaviors and Cardiometabolic Risk Factors in University Students Enrolled in Kinesiology Degree Programs

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: Many, GM, Lutsch, A, Connors, KE, Shearer, J, Brown, HC, Ash, G, Pescatello, LS, Gordish-Dressman, H, Barfield, W, Dubis, G, Houmard, JA, Hoffman, EP, and Hittel, DS. Examination of lifestyle behaviors and cardiometabolic risk factors in university students enrolled in kinesiology degree programs. J Strength Cond Res 30(4): 1137–1146, 2016—Preventing physical inactivity and weight gain during college is critical in decreasing lifelong obesity and associated disease risk. As such, we sought to compare cardiometabolic risk factors and lifestyle behaviors between college students enrolled in kinesiology and non-kinesiology degree programs to assess whether health and exercise degree programs may influence health behaviors and associated disease risk outcomes. Anthropometrics, fa...

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Efficacy of a Ventilatory Training Mask to Improve Anaerobic and Aerobic Capacity in Reserve Officers' Training Corps Cadets

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: Sellers, JH, Monaghan, TP, Schnaiter, JA, Jacobson, BH, and Pope, ZK. Efficacy of a ventilatory training mask to improve anaerobic and aerobic capacity in reserve officers' training corps cadets. J Strength Cond Res 30(4): 1155–1160, 2016—The purpose of this study was to examine the efficacy of a ventilatory training mask to improve anaerobic and aerobic fitness in reserve officers' training corps (ROTC) cadets. Seventeen ROTC cadets from a Midwest university completed pre- and postassessments consisting of anthropometry, a 30-second Wingate Anaerobic Test (WAnT), and a maximal aerobic capacity test (V[Combining Dot Above]O2max). A 6-week intervention training period was used during which time participants completed their mandatory physical training (PT) sessions. Participant...



Acute Response of PGC-1α and IGF-1 Isoforms to Maximal Eccentric Exercise in Skeletal Muscle of Postmenopausal Women

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: Dieli-Conwright, CM, Kiwata, JL, Tuzon, C, Spektor, TM, Sattler, FR, Rice, JC, and Schroeder, ET. Acute response of PGC-1α and IGF-1 isoforms to maximal eccentric exercise in skeletal muscle of postmenopausal women. J Strength Cond Res 30(4): 1161–1170, 2016—PGC-1α4, a novel isoform of the transcriptional coactivator PGC-1α, was recently postulated to modulate the expression of anabolic and catabolic genes and therefore regulate skeletal muscle hypertrophy. Resting levels of PGC-1α4 messenger RNA (mRNA) expression were found to increase in healthy adults after resistance training. However, the acute effect of resistance exercise (RE) on PGC-1α4 expression in populations prone to progressive muscle loss, such as postmenopausal women, has not been evaluated. Here, we inves...



Association Between MCT1 A1470T Polymorphism and Fat-Free Mass in Well-Trained Young Soccer Players

Sat, 26 Mar 2016 10:25:17 +0100

Abstract: Massidda, M, Eynon, N, Bachis, V, Corrias, L, Culigioni, C, Cugia, P, Scorcu, M, and Calò, CM. Association between MCT1 A1470T polymorphism and fat-free mass in well-trained young soccer players. J Strength Cond Res 30(4): 1171–1176, 2016—The aim of this study was to investigate the association between the MCT1 A1470T polymorphism and fat-free mass in young Italian elite soccer players. Participants were 128 Italian male soccer players. Fat-free mass was estimated for each of the soccer player using age- and gender-specific formulas with plicometry. Genotyping for the MCT1 A1470T polymorphism was performed using polymerase chain reaction. The MCT1 A1470T genotypes were in agreement with the Hardy-Weinberg equilibrium distribution. The percentage of fat-free mass was signific...



Reckon you were born without a brain for maths? Highly unlikely

Sat, 26 Mar 2016 09:00:24 +0100

Maths is not about learning times tables, it’s about spotting patterns in everything we experience and using them to plan and invent It’s extraordinary what a badge of honour it is in our culture to declare: “I’m terrible at maths. I just don’t have the brain for it.” You’d never get someone in India or China confessing to such a thing. Maths is regarded in such high esteem that admitting you can’t do it is akin to announcing you’re illiterate, something no one in the west would happily own up to. Continue reading... (Source: Guardian Unlimited Science)



A Randomized Trial of Human Papillomavirus Self-Sampling as an Intervention to Promote Cervical Cancer Screening Among Women With HIV

Sat, 26 Mar 2016 08:13:15 +0100

Conclusions: The intervention did not improve cytology test attendance, although education about HPV and cervical cancer risk as part of study procedures was associated with testing for 35% of this group of women whose previous cytology occurred an average of 3.6 years before the baseline appointment. Self-sampling for HPV testing was feasible. (Source: Journal of Lower Genital Tract Disease)

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A Room with a View.

Sat, 26 Mar 2016 06:14:02 +0100

Authors: Washburn J Abstract Nursing students learn a lesson about the many types of loss patients can suffer. PMID: 27011147 [PubMed - in process] (Source: The American Journal of Nursing)



Effective Mentoring in the Clinical Setting.

Sat, 26 Mar 2016 06:14:02 +0100

This article is one in a series on the roles of adjunct clinical faculty and preceptors, who teach nursing students and new graduates to apply knowledge in clinical settings. This article describes mentoring strategies clinical instructors and preceptors can use to help ease novice nurses' transition to practice. PMID: 27011145 [PubMed - in process] (Source: The American Journal of Nursing)



Aldo Zilli: A lot of British mums can't cook

Sat, 26 Mar 2016 06:00:41 +0100

Aldo Zilli, the chef, argues parents should take responsibility for teaching their children to cook (Source: Telegraph Health)






Cash for faster mental health training

Sat, 26 Mar 2016 00:10:31 +0100

The Department of Health is giving £10m to a fast-track scheme training graduates to become social workers in community mental health teams. (Source: BBC News | Health | UK Edition)

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Test your USMLE Step 2 readiness with this most missed question

Sat, 26 Mar 2016 00:00:00 +0100

If you’re gearing up to take the United States Medical Licensing Examination® (USMLE®) Step 2, this series is for you. Each month, we’re giving you an exclusive scoop on the most missed USMLE Step 2 test prep questions and expert strategies to help you beat them. Check out this month’s most challenging question, and view an expert video explanation of the answer from Kaplan Medical. Think you have what it takes to rise above your peers? Test your USMLE knowledge below. Ready. Set. Go. This month’s question that stumped most students: A 22-year-old African immigrant presents to the hospital with acute abdominal pain. The pain is worst in the left upper quadrant and is described as sharp. She has had this pain for the past several days. She has noticed these episodes frequen...



Patient-reported factors influencing return to work after joint replacement

Fri, 25 Mar 2016 23:00:00 +0100

Conclusions Return to work is influenced by a combination of patient, clinician and occupational factors. The relationship between each of these needs to be explored in greater depth through further qualitative work to gain a wider understanding of the variables influencing patients’ RTW following hip and knee replacement. (Source: Occupational Medicine)



Perspective on “Flexibility at a Cost—Should Governments Stimulate Tertiary Education for Adults?” by Anders Stenberg and Olle Westerlund

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: Available online 25 March 2016 Source:The Journal of the Economics of Ageing Author(s): Younghwan Song (Source: The Journal of the Economics of Ageing)



Acoustic Data-Driven Grapheme-to-Phoneme Conversion in the Probabilistic Lexical Modeling Framework

Fri, 25 Mar 2016 23:00:00 +0100

This article presents a novel G2P formalism which learns the grapheme-to-phoneme relationship through acoustic data and potentially relaxes the need for an initial phonemic lexicon in the target language. The formalism involves a training part followed by an inference part. In the training part, the grapheme-to-phoneme relationship is captured in a probabilistic lexical modeling framework. In this framework, a hidden Markov model (HMM) is trained in which each HMM state representing a grapheme is parameterized by a categorical distribution of phonemes. Then in the inference part, given the orthographic transcription of the word and the learned HMM, the most probable sequence of phonemes is inferred. In this article, we show that the recently proposed acoustic G2P approach in the Kullback-L...



Pediatric scrub typhus in Southern Kerala: An emerging public health problem

Fri, 25 Mar 2016 23:00:00 +0100

Conclusion Scrub typhus is a common cause of fever in South India. Awareness among medical professional should be a high priority as late detection is the cause of failure of treatment, complications, and even mortality. (Source: Clinical Epidemiology and Global Health)

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Sensors, Vol. 16, Pages 447: Concrete Condition Assessment Using Impact-Echo Method and Extreme Learning Machines

Fri, 25 Mar 2016 23:00:00 +0100

The impact-echo (IE) method is a popular non-destructive testing (NDT) technique widely used for measuring the thickness of plate-like structures and for detecting certain defects inside concrete elements or structures. However, the IE method is not effective for full condition assessment (i.e., defect detection, defect diagnosis, defect sizing and location), because the simple frequency spectrum analysis involved in the existing IE method is not sufficient to capture the IE signal patterns associated with different conditions. In this paper, we attempt to enhance the IE technique and enable it for full condition assessment of concrete elements by introducing advanced machine learning techniques for performing comprehensive analysis and pattern recognition of IE signals. Specifically, we u...



Restocking extensive mountain areas with young ewes—does origin matter?

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: April 2016 Source:Small Ruminant Research, Volume 137 Author(s): Claire Morgan-Davies, Justin Morgan-Davies, Iain Beaton, Jenna Kyle, Tony Waterhouse, Davy McCracken Recent renewed drives to maintain farming activities on extensive areas have been encouraged at the EU level, which previously had witnessed a phenomenon of partial abandonment and reduction in flock sizes. Successful restocking with naïve animals from outwith the farm is a challenge, as these animals are not familiar with the landscape and may lack the social interactions and ‘hefting’ qualities their homebred counterparts develop. This paper presents results from an experiment where young ewes from different origins (homebred and bought-in) were reintroduced onto a mountain range grazing area. ...



Factors associated with HIV and HBV co-infection in Northern Thailand

Fri, 25 Mar 2016 23:00:00 +0100

Conclusions Our findings suggest that having a good education and having a good immune status are a protective factor of HIV/HBV co-infection. A practical approach would be a provision of wide access to general and sex education on the risk and prevention of HIV, HBV, and a promotion of HBV immunization. (Source: Asian Pacific Journal of Tropical Disease)



Association between prenatal and current exposure to selected LCPUFAs and school performance at age 7

Fri, 25 Mar 2016 23:00:00 +0100

Conclusion Plasma DHA levels at age 7 were positively associated with reading and spelling scores at age 7. Consistent significant negative associations between maternal plasma DHA levels and arithmetic scores of the child at age 7 were found. Although this is an observational study, which cannot proof causality, the consistent negative associations observed between maternal plasma DHA levels and the arithmetic scores of the children at age 7 calls upon prudence when considering DHA supplementation during pregnancy. (Source: Prostaglandins, Leukotrienes and Essential Fatty Acids (PLEFA))



On-line twin independent support vector machines

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 19 April 2016 Source:Neurocomputing, Volume 186 Author(s): Fatemeh Alamdar, Sara Ghane, Ali Amiri The success of SVM in solving pattern recognition problems has encouraged researcher to extend the development of different versions. They are well-known for their robustness and good generalization performance. In many real-world applications, the data to be trained are available on-line in a sequential fashion and because of space and time requirements, batch training methods are not suitable. This paper proposes a new fast on-line algorithm called OTWISVM. It defines two optimization problems and incremental learning is done based of them. Two hyperplanes are generated as decision functions thus each of them is closer to one of the two classes and is as far as possibl...

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Design of experiments and focused grid search for neural network parameter optimization

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 19 April 2016 Source:Neurocomputing, Volume 186 Author(s): F.J. Pontes, G.F. Amorim, P.P. Balestrassi, A.P. Paiva, J.R. Ferreira The present work offers some contributions to the area of surface roughness modeling by Artificial Neural Networks (ANNs) in machining processes. It proposes a method for an optimized project of a Multi-Layer Perceptron (MLP) network architecture applied for the prediction of Average Surface Roughness (R a). The tuning method is expressed in the format of an algorithm employing two techniques from Design of Experiments (DOE) methodology: Full factorials and Evolutionary Operations (EVOP). Datasets retrieved from literature are employed to form training and test data sets for the ANN. The proposed tuning method leads to significant reducti...



Software reliability prediction via relevance vector regression

Fri, 25 Mar 2016 23:00:00 +0100

This study employs a RVM-based model for software reliability prediction so as to capture the inner correlation between software failure time data and the nearest m failure time data. We present a comparative analysis in order to evaluate the RVMs effectiveness in forecasting time-to-failure for software products. In addition, we use the Mann-Kendall test method to explore the trend of predictive accuracy as m varies. The reasonable value range of m is achieved through paired T-tests in 10 frequently used failure datasets from real software projects. (Source: Neurocomputing)



An optimized second order stochastic learning algorithm for neural network training

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 19 April 2016 Source:Neurocomputing, Volume 186 Author(s): Shan Sung Liew, Mohamed Khalil-Hani, Rabia Bakhteri This paper proposes an improved stochastic second order learning algorithm for supervised neural network training. The proposed algorithm, named bounded stochastic diagonal Levenberg–Marquardt (B-SDLM), utilizes both gradient and curvature information to achieve fast convergence while requiring only minimal computational overhead than the stochastic gradient descent (SGD) method. B-SDLM has only a single hyperparameter as opposed to most other learning algorithms that suffer from the hyperparameter overfitting problem due to having more hyperparameters to be tuned. Experiments using the multilayer perceptron (MLP) and convolutional neural network (CNN) mod...



Biological modeling the undulatory locomotion of C. elegans using dynamic neural network approach

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 19 April 2016 Source:Neurocomputing, Volume 186 Author(s): Xin Deng, Jian-Xin Xu, Jin Wang, Guo-yin Wang, Qiao-song Chen This paper provides an undulatory locomotion model of C. elegans to achieve the chemotaxis behaviors based on the biological neuronal and neuromuscular structure. The on-cell and off-cell mechanism, as well as the proprioceptive mechanism is incorporated into the locomotion model. The nervous system of C. elegans is modeled by a dynamic neural network (DNN) that involves two parts: head DNN and motor neurons. The head DNN perceives the outside concentrations and generates the undulatory wave to the body. The motor neurons are responsible for transiting the undulatory wave along the body. The body of C. elegans is represented as a multi-joint rigi...



Neural adaptive steering of an unmanned surface vehicle with measurement noises

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 19 April 2016 Source:Neurocomputing, Volume 186 Author(s): Zhouhua Peng, Dan Wang, Wei Wang, Lu Liu This paper presents an autopilot design for a robotic unmanned surface vehicle in the presence of unknown yaw dynamics and measurement noises. A robust adaptive steering law is developed with the aid of a predictor, neural networks, and a modified dynamic surface control technique. Specifically, a predictor together with a low-frequency learning-based neural updating law is developed to identify the unknown yaw dynamics, as well as to reconstruct the states corrupted by measurement noises. Besides, to avoid the noise amplification effect of first-order filter, a linear tracking differentiator is incorporated into the dynamic surface control design approach to produce ...

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Novel segmented stacked autoencoder for effective dimensionality reduction and feature extraction in hyperspectral imaging

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 12 April 2016 Source:Neurocomputing, Volume 185 Author(s): Jaime Zabalza, Jinchang Ren, Jiangbin Zheng, Huimin Zhao, Chunmei Qing, Zhijing Yang, Peijun Du, Stephen Marshall Stacked autoencoders (SAEs), as part of the deep learning (DL) framework, have been recently proposed for feature extraction in hyperspectral remote sensing. With the help of hidden nodes in deep layers, a high-level abstraction is achieved for data reduction whilst maintaining the key information of the data. As hidden nodes in SAEs have to deal simultaneously with hundreds of features from hypercubes as inputs, this increases the complexity of the process and leads to limited abstraction and performance. As such, segmented SAE (S-SAE) is proposed by confronting the original features into sm...



Sentiment recognition of online course reviews using multi-swarm optimization-based selected features

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 12 April 2016 Source:Neurocomputing, Volume 185 Author(s): Zhi Liu, Sanya Liu, Lin Liu, Jianwen Sun, Xian Peng, Tai Wang Sentiment recognition of online course reviews is valuable to understand emotions and feelings of learners. Nowadays, an increasing number of course reviews are being generated with the emergence of Massive Open Online Courses (MOOCs), which offers teachers a chance to analyze the opinions of learners and improve teaching strategies. However, the unstructured data contain large amounts of redundant features, which will significantly impact the performance of machine learning. To select effective emotional features, we adopt a multi-swarm particle swarm optimization (MSPSO) method, which generates multi diverse particle swarms on several cross tr...



Online finite-horizon optimal learning algorithm for nonzero-sum games with partially unknown dynamics and constrained inputs

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 12 April 2016 Source:Neurocomputing, Volume 185 Author(s): Xiaohong Cui, Huaguang Zhang, Yanhong Luo, Peifu Zu In this paper, an online optimal learning algorithm based on adaptive dynamic programming (ADP) approach is designed to solve the finite-horizon optimal control for multi-player nonzero-sum games with partially unknown dynamics and constrained control inputs. Firstly, it is proved that the online policy iteration (PI) algorithm is equivalent to Newton׳s iteration. Secondly, the single neural networks (NNs) with time-varying activation functions for each player are used to approximate the time-varying solution to the coupled Hamilton–Jacobi–Bellman (HJB) equations in an online and forward-in-time manner. Control constraints are handled through non-quadr...



Sparse preserving feature weights learning

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 12 April 2016 Source:Neurocomputing, Volume 185 Author(s): Guangsheng Xia, Hui Yan, Jian Yang In this paper, we propose a novel unsupervised feature selection algorithm, named sparse preserving feature weights learning (SPFW), which is based on the recent local data representation theory, sparse representation. SPFW differs from traditional feature selection algorithms in two aspects: (1) SPFW is designed on the locality measurement criterion with sparse reconstruction residual minimization. It adaptively determines the locality based on sparse representation, instead of fixing the k-nearest neighbors in the original feature space. (2) SPFW selects the most discriminative feature subset from the whole feature set in batch mode, instead of selecting features individua...



Towards multi-scale fuzzy sparse discriminant analysis using local third-order tensor model of face images

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 12 April 2016 Source:Neurocomputing, Volume 185 Author(s): Xiaoning Song, Zhen-Hua Feng, Xibei Yang, Xiaojun Wu, Jingyu Yang Traditional discriminant analysis (DA) methods are usually not amenable to being studied only with a few or even single facial image per subject. The fundamental reason lies in the fact that the traditional DA approaches cannot fully reflect the variations of a query sample with illumination, occlusion and pose variations, especially in the case of small sample size. In this paper, we develop a multi-scale fuzzy sparse discriminant analysis using a local third-order tensor model to perform robust face classification. More specifically, we firstly introduced a local third-order tensor model of face images to exploit a set of multi-scale cha...

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Adaptive memetic algorithm enhanced with data geometry analysis to select training data for SVMs

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 12 April 2016 Source:Neurocomputing, Volume 185 Author(s): Jakub Nalepa, Michal Kawulok Support vector machines (SVMs) are one of the most popular and powerful machine learning techniques, but suffer from a significant drawback of the high time and memory complexities of their training. This issue needs to be endured especially in the case of large and noisy datasets. In this paper, we propose a new adaptive memetic algorithm (PCA2MA) for selecting valuable SVM training data from the entire set. It helps improve the classifier score, and speeds up the classification process by decreasing the number of support vectors. In PCA2MA, a population of reduced training sets undergoes the evolution, which is complemented by the refinement procedures. We propose to exploit both...



A fast alternating time-splitting approach for learning partial differential equations

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 12 April 2016 Source:Neurocomputing, Volume 185 Author(s): Zhenyu Zhao, Zhouchen Lin, Yi Wu Learning-based partial differential equations (PDEs), which combine fundamental differential invariants into a nonlinear regressor, have been successfully applied to several computer vision and image processing problems. However, the gradient descent method (GDM) for solving the linear combination coefficients among differential invariants is time-consuming. Moreover, when the regularization or constraints on the coefficients become more complex, it is troublesome or even impossible to deduce the gradients. In this paper, we propose a new algorithm, called fast alternating time-splitting approach (FATSA), to solve the linear combination coefficients. By minimizing the differen...



Intra-specific competitive co-evolutionary artificial neural network for data classification

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: 12 April 2016 Source:Neurocomputing, Volume 185 Author(s): Bee Yan Hiew, Shing Chiang Tan, Way Soong Lim This paper presents an alternative approach of competitive co-evolutionary (ComCoE) artificial neural network (ANN) developed for data classification. The motivation of this work is to employ an interactive game-based fitness evaluation method within a CoE framework to develop a compact and accurate ANN model. The proposed model uses only one population of radial basis function artificial neural networks (RBFANNs) in the CoE framework to find out an optimised RBFANN. In the ComCoE process, the RBFANNs compete in an intra-specific competition environment, which is driven by a game-based fitness evaluation method. The fitness evaluation for each RBFANN is made by co...



Exploring the social lives of young adults with disabilities

Fri, 25 Mar 2016 23:00:00 +0100

This article explores the social lives of young adults with disabilities as they were transitioning from school to adult life. The young adults were former participants of the Access to Community Employment and Education Program (ACEE) in Halifax, Nova Scotia, Canada, a program, which focuses on the transition of young people with disabilities from school and youth to adulthood, employment, and independent living. The data in the article were drawn from a mixed method research project that explored, through a survey and follow-up focus groups and interviews, the impact of the ACEE program and the lived experiences of its alumni in the years after having completed the program. The study highlights the alumni's social lives, their leisure activities and their relationships and the different ...



Basic airway equipments in pediatric cardiac arrest management

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: Available online 26 March 2016 Source:Trends in Anaesthesia and Critical Care Author(s): Kemal Tolga Saracoglu, Ayten Saracoglu, Haluk Kafali In both in-hospital and out-of-hospital settings, pediatric cardiac arrest cases are common. Performing rescue breathing within a shorter time and achieving safe airway as early as possible during resuscitation is important for reducing interruptions. After a thorough review of the literature we concluded that the number of available randomized clinical studies is not enough to prove the superiority of different airway equipments in pediatric cardiac arrests. It is clear that the steps to be taken in this field will help determine the superior methods and create a tremendous impression. There is no data supporting the routine u...

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Time to shift from contemporary to high-sensitivity cardiac troponin in diagnosis of acute coronary syndromes

Fri, 25 Mar 2016 23:00:00 +0100

Publication date: Available online 26 March 2016 Source:Indian Heart Journal Author(s): Jamshed J. Dalal, C.K. Ponde, Brian Pinto, C.N. Srinivas, Joy Thomas, Sunil Kumar Modi, Sanjay Mehta, Suvin Shetty, Manimarane, Bhupen Desai Early rule-in and rule-out of non-ST-segment elevation myocardial infarction (NSTEMI) is a challenge. In patients with inconclusive findings on ECG, cardiac biomarkers play a crucial role in the diagnosis. The introduction of the new high-sensitive cardiac troponin test (hs-TnI assay) has changed the landscape of NSTEMI diagnosis. The new hs-TnI assay can detect troponin values at a lower level compared with a contemporary cardiac troponin (cTn) assay. The hs-cTnI assay has a coefficient of variation of ≤10%, well below the 99th percentile value. It r...



Black ginseng enriched Chong Myung-Tang extracts improves spatial learning behavior in rats and elicits anti-inflammatory effects in vitro

Fri, 25 Mar 2016 23:00:00 +0100

Conclusion Our results show that both black ginseng enriched CMT extracts improved the learning behavior in scopolamine induced impairment in water maze tests. Moreover, these extracts also inhibited NO production in BV2 cells, with significant suppression in pro-inflammatory cytokines, especially iNOS, COX-2 and IL-1β. The protein expression of MAPK and NF-κB pathway factors was also diminished by black ginseng enriched CMT extracts, indicating that it not only improves the memory impairment but is also a potent anti-inflammatory agent for neuro inflammatory diseases. Our research for the first time proves the scientific basis of consumption of black ginseng enriched CMT extract as a brain tonic and it can be taken as a reference for future neurobehavioral studies. (Source: Journal of G...



Quality improvement- where do we stand?

Fri, 25 Mar 2016 23:00:00 +0100

Improvements in quality are commonly used to measure outcome in modern medicine. The drive to improve services nationally and to reduce the financial burden, which is at the forefront of NHS policy, attracts political debate and is constantly the focus of media attention. However, before this can be done in surgery, we need to learn from ongoing work and recognised systems for quality review and implementation, and develop national processes for sustained improvement. As a specialty, Oral and maxillofacial surgery is a good example. (Source: The British Journal of Oral and Maxillofacial Surgery)



Barriers to uptake of antimicrobial advice in a UK hospital: a qualitative study

Fri, 25 Mar 2016 23:00:00 +0100

Conclusions This study illustrates the importance of examining relations between ID/CM and non-ID/CM clinicians in the hospital context, indicating that AMS models that focus exclusively on delivering advice rather than managing interprofessional relationships may be limited in their capacity to optimize antibiotic use. AMS and, specifically, antibiotic approval systems would likely be more effective if they incorporated time and resources for fostering and maintaining professional relationships. (Source: Journal of Hospital Infection)