If I were asked to list the major intellectual breakthroughs of the last half-century, I would certainly include the revolution in our understanding of emotion.
For thousands of years, it was common in Western thought to imagine that there was an eternal war between reason and our emotions. In this way of thinking, reason is cool, rational and sophisticated. Emotions are primitive, impulsive and likely to lead you astray. A wise person uses reason to override and control the primitive passions. A scientist, business executive or any good thinker should try to be objective and emotionally detached, kind of like a walking computer that cautiously weighs evidence and calculates the smartest way forward.
Modern neuroscience has delivered a body blow to this way of thinking. If people thought before that passions were primitive and destructive, now we understand that they are often wise. Most of the time emotions guide reason and make us more rational. It’s an exaggeration, but maybe a forgivable one, to say that this is a turnabout to rival the Copernican Revolution in astronomy.
The problem is that our culture and our institutions haven’t caught up with our knowledge. Today we still live in a society overly besotted with raw brainpower. Our schools sort children according to their ability to do well on standardized tests, slighting the kind of wisdom held in the body that is just as important for navigating life. Our economic models are based on the idea that humans are rational creatures coolly calculating their self-interest, and then we are surprised when investors whip themselves into the frenzy of a stock market bubble.
A lot of people are estranged from their own inner lives because they don’t know how their emotions function. I look at all the sadness and meanness in the world and conclude that we’re just not good at building healthy emotional connections.
So what are some of the things modern neuroscience has taught us? Well, things really got rolling in 1994 when Antonio Damasio published his classic book “Descartes’ Error.” Damasio had studied patients who had trouble processing emotions. They weren’t supersmart Mr. Spocks. They were unable to make decisions and their lives spiraled. He demonstrated that emotions deftly assign value to things, and without knowing what’s important, or what’s good or bad, the brain just spins its wheels. Emotions and reason are one system integral to good decision-making.
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