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Memory Current Events and Memory News from Brightsurf

Memory Current Events and Memory News Events, Discoveries and Articles from Brightsurf

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Novel protein interactions explain memory deficits in Parkinson's disease

Mon, 25 Sep 17 00:00:20 -0700

A study published in the journal Nature Neuroscience, from Nature publishing group, describes the identification of a novel molecular pathway that can constitute a therapeutic target for cognitive defects in Parkinson's disease.

New analysis explains role of defects in metal oxides

Thu, 21 Sep 17 00:06:40 -0700

An MIT team has determined formulas to guide development of a promising new high-tech material, composed of insulating metal oxides known as alkaline-earth-metal binary oxides, that could lead to better computer memory chips, refrigeration systems, and other devices.

Investigators may unlock mystery of how staph cells dodge the body's immune system

Thu, 21 Sep 17 00:09:30 -0700

For years, medical investigators have tried and failed to develop vaccines for a type of staph bacteria associated with the deadly superbug MRSA. But a new study by Cedars-Sinai investigators shows how staph cells evade the body's immune system, offering a clearer picture of how a successful vaccine would work.

Straining the memory: Prototype strain engineered materials are the future of data storage

Wed, 20 Sep 17 00:00:20 -0700

Researchers from the Singapore University of Technology and Design and Shanghai Institute of Microsystems and Information Technology have strain-engineered a data storage material to store data by exploiting a process of avalanche atomic switching. Memory cells using this material substantially outperform state-of-the-art phase change memory devices.

Newly identified role of major Alzheimer's gene suggests possible therapeutic target

Wed, 20 Sep 17 00:09:30 -0700

A new role has been identified for the major Alzheimer's risk factor ApoE4, suggesting that targeting the protein may help treat the disease. Researchers at Washington University School of Medicine in St. Louis show that ApoE4 exacerbates the brain damage caused by toxic tangles of a different Alzheimer's-associated protein: tau. In the absence of ApoE, tau tangles did very little harm to brain cells.

ADHD kids can be still -- If they're not straining their brains

Mon, 18 Sep 17 00:08:40 -0700

Lack of motivation or boredom with school isn't to blame for squirming by children with Attention Deficit Hyperactivity Disorder. Symptoms such as fidgeting, foot-tapping and chair-swiveling are triggered by cognitively demanding tasks - like school and homework. But movies and video games don't typically require brain strain, so the excessive movement doesn't manifest.

20 minute test determines attention and memory capacity in patients with schizophrenia

Fri, 15 Sep 17 00:10:50 -0700

Researchers from the Universitat Autònoma de Barcelona, in collabroation with the University of Oviedo and the CIBERSAM, have designed a test which in only 20 minutes can examine short-term memory capacity, mental agility and organisational capacities in patients with schizophrenia. The test was published recently in Schizophrenia Research and forms part of a doctoral thesis presented at the Department of Psychiatry of the UAB.

Memory decline after head injury may be prevented by slowing brain cell growth

Fri, 15 Sep 17 00:13:50 -0700

Rutgers scientists say a new study indicates that the excessive burst of new brain cells after a traumatic head injury that researchers have traditionally believed helped in recovery could instead lead to epileptic seizures and long-term cognitive decline.

Brain halves increase communication to compensate for aging, study finds

Fri, 15 Sep 17 00:15:50 -0700

Increased communication between distant brain regions helps older adults compensate for the negative aspects of aging, reports a new study published this week in Human Brain Mapping.

Self-healing gold particles

Thu, 14 Sep 17 00:07:20 -0700

Self-healing materials are able to repair autonomously defects, such as scratches, cracks or dents, and resume their original shape. For this purpose, they must be composed of several components whose combined properties result in the desired characteristics. Scientists of the Karlsruhe Institute of Technology (KIT) and the Technion - Israel Institute of Technology now discovered that also tiny particles of pure gold have surprising self-healing capacities.

Synaptic receptor mobility: Discovery of a new mechanism for controlling memory

Thu, 14 Sep 17 00:08:50 -0700

Researchers in Bordeaux recently discovered a new mechanism for storing information in synapses and a means of controlling the storage process. The breakthrough moves science closer to unveiling the mystery of the molecular mechanisms of memory and learning processes. The research, carried out primarily by researchers at the Interdisciplinary Institute for Neurosciences (CNRS/Université de Bordeaux) and the Bordeaux Imaging Center (CNRS/Université de Bordeaux/Inserm), appears in the 13 september 2017 edition of Nature.

Scientists find potential mechanism for deadly, sepsis-induced secondary infection

Thu, 14 Sep 17 00:16:20 -0700

In mice, an infection-induced condition known as sepsis may increase the risk of life-threatening secondary infection by preventing recruitment of infection-fighting cells to the skin, according to new research published in PLOS Pathogens.

Study offers scientific explanation for why spurned males abandon courtship attempts

Thu, 14 Sep 17 00:01:00 -0700

Unsuccessful courtship attempts by males create aversive memories that can reduce their level of enthusiasm for subsequent courtship attempts. Scientists at UC Riverside and colleagues have attempted to understand this behavior at the molecular level. Using the fruit fly as a model organism, the researchers show that the body's hormonal state is critical to the maintenance of such

Is the Alzheimer's gene the ring leader or the sidekick?

Thu, 14 Sep 17 00:00:40 -0700

Scientific literature in recent years has focused extensively on one genetic risk factor for Alzheimer's disease, the ApoE4 gene variant. A recent study published in PLOS ONE raises flags that scientists should investigate another important player, the TOMM40 gene.

A new alternative to 'practice makes perfect'

Wed, 13 Sep 17 00:09:00 -0700

A new Tel Aviv University study finds that brief memory reactivations can replace the repeated extensive practice and training known as 'practice makes perfect' as a learning technique.

Connecting up the quantum internet

Mon, 11 Sep 17 00:16:30 -0700

Major leap for practical building blocks of a quantum internet: Published in Nature Physics, new research from an Australian team demonstrates how to dramatically improve the storage time of a telecom-compatible quantum memory, a vital component of a global quantum network. The technology operates in the same 1550 nanometre band as today's telecommunications infrastructure. It can also be operated as a quantum light source or used as an optical link for solid-state quantum computing devices such as superconducting qubits and silicon qubits.

First on-chip nanoscale optical quantum memory developed

Mon, 11 Sep 17 00:02:50 -0700

Engineers at Caltech have built a chip capable of storing and retrieving individual photons of light, with all of their quantum properties left intact. The chip represents the first nanoscale optical quantum memory device, and could one day be used to create more secure Internet communications.

High-speed quantum memory for photons

Fri, 08 Sep 17 00:13:00 -0700

Physicists from the University of Basel have developed a memory that can store photons. These quantum particles travel at the speed of light and are thus suitable for high-speed data transfer. The researchers were able to store them in an atomic vapor and read them out again later without altering their quantum mechanical properties too much. This memory technology is simple and fast and it could find application in a future quantum Internet. The journal Physical Review Letters has published the results.

Intermittent electrical brain stimulation improves memory

Thu, 07 Sep 17 00:13:10 -0700

Intermittent electrical stimulation of an area deep inside the brain that degenerates in Alzheimer's appears to improve working memory, scientists report. Conversely, continuous deep brain stimulation, like the type used for Parkinson's and currently under study in humans with Alzheimer's, impairs memory, according to study results in adult non-human primates reported in the journal Current Biology.

A new learning rule for memory formation and storage revealed

Thu, 07 Sep 17 00:07:20 -0700

Researchers now report a new learning mechanism in the brain that calls into question the widely accepted view of how memories are formed and stored.

Sleep may help eyewitnesses from choosing innocent suspects

Wed, 06 Sep 17 00:04:40 -0700

Sleep may influence an eyewitness's ability to correctly pick a guilty person out of a police lineup, indicates a study by Michigan State University researchers.

How monkey fights grow

Wed, 06 Sep 17 00:11:40 -0700

New research finds evidence for a complicated structure behind primate conflict. It is not individuals who control the length of fights, but the relationships between pairs of individuals.

'Waves' of neural activity give new clues about Alzheimer's

Tue, 05 Sep 17 00:08:10 -0700

While unconscious during deep sleep, millions of neurons' activity travels across the cerebral cortex. This phenomenon, known as slow waves, is related to the consolidation of memory. The European project called SloW Dyn, led by Spanish scientists, has now revealed anomalies in this activity in mice displaying a decline similar to Alzheimer's.

Ketogenic diet improves healthspan and memory in aging mice

Tue, 05 Sep 17 00:11:10 -0700

A ketogenic diet significantly improved memory in aging mice and increased their chances of surviving to old age. Eating a ketogenic diet promotes the production of the ketone body beta-hydroxybutyrate acid (BHB). While small studies in humans suggest that BHB could improve memory, this is the first study in aging mammals which details its positive effects. Researchers think the benefits of BHB could go beyond memory, opening a new field in aging research.

Eat fat, live longer?

Tue, 05 Sep 17 00:11:00 -0700

As more people live into their 80s and 90s, researchers have delved into the issues of health and quality of life during aging. A recent mouse study at the UC Davis School of Veterinary Medicine sheds light on those questions by demonstrating that a high fat, or ketogenic, diet not only increases longevity, but improves physical strength.

Mice on ketogenic diets live longer and healthier in old age

Tue, 05 Sep 17 00:10:40 -0700

Two independent mouse studies provide evidence that a ketogenic diet improves memory in older animals, as well as the chances that an animal lives to old age. The findings, published September 5 in the journal Cell Metabolism, raise hopes that ketogenic diets can improve both longevity and health span, or the time someone lives in good health, but further testing in humans is needed.

Schizophrenia and memory deficits: Solving the mystery behind a most stubborn symptom

Mon, 04 Sep 17 00:11:10 -0700

Disruptions to the brain's internal GPS result in some of the severe memory deficits seen in schizophrenia. The new study in mouse models of the disorder marks the first time that schizophrenia's effects have been observed with such precision and clarity. The findings offer a promising entry point for attacking a near-universal and debilitating symptom of schizophrenia, memory deficits, which has thus far withstood all forms of treatment.

Links between poor sleep and poor mental well-being

Mon, 04 Sep 17 00:01:40 -0700

Inadequate sleep at night leads to poor memory and increases the risk of depression, anxiety and stress, according to research revealed today.

Bit data goes anti-skyrmions

Fri, 01 Sep 17 00:04:40 -0700

A group of scientists from the Max Planck Institutes in Halle and Dresden have discovered a new kind of magnetic nano-object in a novel material that could serve as a magnetic bit with cloaking properties to make a magnetic disk drive with no moving parts -- a Racetrack Memory -- a reality in the near future.

Family of proteins involved in brain's connectivity are controlled by multiple checkpoints

Thu, 31 Aug 17 00:06:40 -0700

University of Bristol scientists have found that the delivery of a group of proteins involved in the information flow between the brain's nerve cells to the synapse is much more sophisticated than previously suspected. The findings, published in Cell Reports, will help the development of therapies for conditions such as epilepsy and autism whereby neuronal communication circuits malfunction.

Children's sleep quality linked to mothers' insomnia

Thu, 31 Aug 17 00:06:30 -0700

Children sleep more poorly if their mothers suffer from insomnia symptoms -- potentially affecting their mental wellbeing and development -- according to new research by the University of Warwick and the University of Basel.

Caching system could make data centers more energy efficient

Thu, 31 Aug 17 00:10:30 -0700

This week, at the International Conference on Very Large Databases, researchers from MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) are presenting a new system for data center caching that uses flash memory, the kind of memory used in most smartphones.

A decline in navigational skills could predict neurodegenerative disease

Wed, 30 Aug 17 00:09:40 -0700

Changes in how humans map their surroundings and construct and follow directions as they age have been understudied compared to effects on memory and learning. However, age-related declines in navigational ability are independent of those more well-known cognitive downturns, and could form the basis for tools for the early diagnosis of Alzheimer's disease. Researchers discuss this possibility in a review published August 30 in the journal Neuron.

Robot learns to follow orders like Alexa

Wed, 30 Aug 17 00:05:10 -0700

In a new paper, researchers from MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL present an Alexa-like system that allows robots to understand a wide range of commands that require contextual knowledge about objects and their environments. They've dubbed the system 'ComText,' for 'commands in context.'

Improving earthquake resistance with a single crystal

Wed, 30 Aug 17 00:06:50 -0700

A new heating method for certain metals could lead to improved earthquake-resistant construction materials.

Bone-derived hormone reverses age-related memory loss in mice

Tue, 29 Aug 17 00:01:00 -0700

Researchers at Columbia University Medical Center reversed age-related memory loss in mice by boosting blood levels of osteocalcin, a hormone produced by bone cells.

Magnetic stimulation of the brain improved awareness of subject's own cognitive abilities

Tue, 29 Aug 17 00:02:50 -0700

Researchers at Aalto University and the University of Helsinki have succeeded for the first time ever in affecting metacognition of a tactile working memory task by combining neural pathway imaging and magnetic stimulation of the brain. Understanding brain function might help in the development of new treatments for neuropsychiatric illnesses in the future.

New analysis examines how low cholesterol can safely go (FOURIER)

Mon, 28 Aug 17 00:03:10 -0700

Very aggressive reduction of LDL-cholesterol to ultra-low levels was associated with progressively fewer cardiovascular events and appears to pose no safety concerns in patients with stable atherosclerotic cardiovascular disease over 2.2 years of follow-up, according to a new analysis of the FOURIER trial.

Boosting immune cell memory to improve vaccines and cancer immunotherapy

Mon, 28 Aug 17 00:13:00 -0700

In mouse experiments, researchers at University of California San Diego School of Medicine have discovered that drugs that activate the cells' proteasome, or recycling center, tip the balance in favor of memory CD8+ T cells. This approach could be used to improve how well vaccines and immunotherapies work and how long they last.

New research on Fragile X syndrome reinforces importance of early detection

Fri, 25 Aug 17 00:06:30 -0700

New insights into the long-lasting effects of Fragile X syndrome on connections in the brain during early development highlight the importance of early detection and treatment.

New research examines avocados' potential impact on cognitive health in older adults

Thu, 24 Aug 17 00:08:30 -0700

Consuming one fresh avocado per day may lead to improved cognitive function in healthy older adults due to increased lutein levels in the brain and eye, according to new research published in the journal Nutrients.

Discovery fuels hope for Rett syndrome treatment

Wed, 23 Aug 17 00:04:50 -0700

Vanderbilt University researchers have relieved symptoms of Rett syndrome in a mouse model with a small molecule that works like the dimmer switch in an electrical circuit.

Can 'large stars' anti-aging research' help future memory devices?

Tue, 22 Aug 17 00:16:20 -0700

Nothing is forever, but is it possible to slow down inescapable decay? An inquiry into the delay of deterioration of quantum memory devices and formation of black holes explained with intuitive analogies from everyday life

Researchers create magnetic RAM

Tue, 22 Aug 17 00:16:10 -0700

A team of researchers has now developed a magnetoelectric random access memory (MELRAM) cell, which consists of two components: piezoelectric material and a layered structure characterized by a high magnetoelasticity. When a voltage is applied to the memory cell, the piezoelectric layer of the structure is deformed. Depending on the nature of the strain, magnetization assumes a particular orientation, storing information. The changing orientation of the magnetic field gives rise to increased voltage in the sample.

No direct flights for memory retrieval

Thu, 17 Aug 17 00:08:50 -0700

According to new research from the RIKEN-MIT Center for Neural Circuit Genetics, experiencing something and remembering it later is not a neural 'direct flight.' The pathway in the brain's hippocampus that underlies long-term memory formation contains at least one 'stopover' that is important specifically for retrieving episodic, personally experienced memories. This is in contrast to known direct memory circuits that pass through the hippocampus. This detour may be involved in quickly updating memories and responding to instinctual fears via hormonal release.

Mind flex

Thu, 17 Aug 17 00:08:40 -0700

The human brain has a region of cells responsible for linking sensory cues to actions and behaviors and cataloging the link as a memory. Cells that form these links have been deemed highly stable and fixed. Now, the findings of a Harvard Medical School study conducted in mice challenge that model, revealing that the neurons responsible for such tasks may be less stable, yet more flexible than previously believed.

Researchers show how particular fear memories can be erased

Thu, 17 Aug 17 00:08:30 -0700

Researchers at the University of California, Riverside have devised a method to selectively erase particular fear memories by weakening the connections between neurons involved in forming these memories. In their experiments, they found that fear memory can be manipulated in such a way that some beneficial memories are retained while others, detrimental to our daily life, are suppressed. The research, done using a mouse model, offers insights into how PTSD/specific phobias may be better treated.

How we recall the past

Thu, 17 Aug 17 00:08:20 -0700

Neuroscientists who study memory have long believed that when we recall an event, our brains turn on the same hippocampal circuit that was activated when the memory was originally formed. However, MIT neuroscientists have now shown, for the first time, that recalling a memory requires a 'detour' circuit that branches off from the original memory circuit.

Depression overshadows the past as well as the present

Wed, 16 Aug 17 00:11:40 -0700

Depressed people have a peculiar view of the past -- rather than glorifying the 'good old days,' they project their generally bleak outlook on to past events, according to new research.

Navigation and spatial memory: New brain region identified to be involved

Wed, 16 Aug 17 00:13:30 -0700

Researchers at NERF (VIB-imec-KU Leuven) have now uncovered striking neural activity patterns in a brain area called the retrosplenial cortex that may assist with spatial memory and navigation.