impulse

1 - The impulse to murder seems to be universal, but reasons people yield to it are as varied and mysterious as human history.

2 - Cooperative behaviour is not an instinctive impulse or deliberate choice, but a learning process.

3 - ADHD, or Attention Deficit Hyperactivity Disorder, is a genetic condition which causes hyperactivity, inattention, and impulsive behavior.

4 - The median age for the onset of anxiety and impulse control disorders is 11 and substance abuse, age 20.

5 - Have you ever had trouble concentrating, found it hard to sit still, interrupted others during a conversation, or acted impulsively without thinking things through?