Impulsivity is not simply rudeness or lack of self-discipline. It is a function of the interior signalling system of the brain.
ADHD impacts the way the different regions of the brain communicate. That affects inattention, impulsivity, and emotional regulation.
Scott Kelly was never going to win a vote for most likely to succeed. "I was a terrible student," he writes, "always staring out windows or looking at the clock, waiting for class to be over." He and his twin brother were "like juvenile delinquents who never got arrested." His dad was alcoholic. His parents fought, often and violently.
Today, he is a veteran of four spaceflights and the man who holds the record for longest single space mission by an American.
It might still be wrongly associated with uncontrollable young boys, but Attention Deficit Hyperactivity Disorder affects thousands of adult women – like Ness Lyons. It’s crucial we learn to understand it, she says