Is there a hallmark of ADD, a single core trait that defines it best?
In our opinion, yes there is. It is a relative lack of inhibition. People with ADD tend to be more spontaneous than the average person. They speak freely, at times too much so. They think freely, at times creatively, at other times chaotically. They act unpredictably: often even they do not know what they’re going to do next. They do not inhibit their responses as stringently as most people do. They often lack the intermediate reflective step between impulse and action. This can be charming and innovative, or it can be annoying and disruptive, depending upon the impulse and the action. People with ADD neither inhibit nor shape their responses as automatically as those who do not have ADD. This leads, directly or indirectly, to almost all of the other symptoms associated with ADD, including disruptive behavior, impulsivity, restlessness, uneven attention span, disorganization, tactlessness, irritability, impatience, and risk-taking behavior. It also leads to many of the positive qualiti
