In his lectures, neuropsychiatrist Daniel Amen often says that, before one of his children marries, he wants to examine a brain scan of the spousal candidate. Why? Because brain deficits aren’t always obvious. Sometimes mental illness reveals itself only over time, and with stress. In fact, we often initially misperceive a person’s brain deficits as positive qualities. Much to our peril.
For example, consider the “decisive decision-maker.” Golly, you think to yourself, someone so cocksure and confident must know the score, right? You know that you could never act so confident unless you had the goods, right?