Childhood Matters: Behavioral Issues: ADHD and Temperament - October 26, 2003 - Childhood Matters Your child may be smart, creative, and perceptive and also be challenging-impulsive, active, distractable. There are many causes for these problems, and Attention Deficit Hyperactivity Disorder (ADHD) is only one possibility. Guest Dr. Edward (Ned) Hallowell, MD, founder of the Hallowell Center for Cognitive and Emotional Health in Massachusetts. Downloads: 1,833 Average rating:(1 review)