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Published: 2017-05-28T08:15:57+00:00

 



Don’t think too much of yourself. You’re an accident

2017-04-09T05:53:23+00:00

This is the fifth installment of The Rationalist, my column for the Times of India. I was 17 when I first heard Chris Cornell sing, and I still remember the shock of that moment. The song was Hunger Strike, by a band called Temple of the Dog, and the other vocalist on that song was Eddie Vedder. Cornell and Vedder, with Soundgarden and Pearl Jam respectively, would go on to become the iconic vocalists of their age. Unlike their grunge peers, Kurt Cobain and Layne Staley, they didn’t die young, and actually built a strong body of work. Wait, strike that: Cornell died last week at the age of 52, and now that I too am on the wrong side of 40, it feels like it was way too young. This column is not a nostalgic musing of a middle-aged man, though. Instead, it’s sparked by something Cornell’s wife Vicky said after he died. He was not the type to commit suicide, she said, and his death was probably caused by an anti-anxiety medicine he was taking called Ativan. The side-effects of Ativan include “paranoid or suicidal thoughts, slurred speech and impaired judgment.” When Vicky spoke to Chris over the phone after his last concert, she said, his speech was slurred. That mildly tweaking the chemical balance of the brain could turn a person suicidal is not surprising: anti-depressants are so popular because we know you can turn the switch the other way. Indeed, it drives home the fact that what we call our ‘personality’ is actually deeply contingent. It arises from the state of the brain. You damage a tiny part of the brain, or tweak its chemical or hormonal balance, and voila, you have a different person. Back in the day, the brain wasn’t considered as important as it should be. Bodies supposedly had souls inside them, and people spoke of minds as if they were independent of the brain. We now know that the former is bunkum, and the latter, at best a metaphor. The most popular case study in neuroscience is probably that of Phineas Gage, a 19th century American railroad worker. When he was 25, an iron rod went through his head, and a large part of his left frontal lobe was destroyed. Miraculously, he survived – but did he survive as himself? His memory and intelligence weren’t affected by his accident, but his personality changed so much that his friends and family described him as “no longer Gage.” Over the decades, we have learnt that the physical structure of the brain determines personality. For example, sociopathy is not a behavioural defect but a biological one: damage to the amygdala, the part of the brain believed to cause feelings of empathy for others, is the probable culprit. Four percent of us are born sociopaths, though they are over-represented among criminals, bankers, lawyers and politicians. (I’m not joking.) Neuroscientists have even identified parts of the brain that are responsible for spiritual feelings, though I classified being devout as a mental disorder long before I knew this. The physical structure of the brain is just the start of it. Tweaking the chemical or hormonal balance of the brain can also shape and change personality. That accounts for the popularity of anti-depressants and cognitive super-drugs like Modafinil (which I take occasionally). Similarly, a coffee or sugar high can change behaviour, and hunger or lust can transform us. Most of these processes we are barely beginning to understand, leave alone control, but one day we will be able to shape a child’s personality before its birth using genetic engineering. The big point I am making here is that what we call our ‘self’ is fragile and accidental. All humans, and their brains, are more or less identical. Tiny differences in our physical brains, and their chemical and hormonal balance, account for who we are. Self-help books teach us that we are all unique, but the truth is that we are basically made of the same matter, differ only in circumstance, and that embracing this truth is the only route to a happiness that is not delusional. I don[...]