Figure 2.

Figure 2.Dopamine and reward deficiency syndrome
Addictive behavior	Impulse behavior	Compulsive behavior	Personality behavior
Severe alcholism	Attention deficit disorder Hyperactivity	Aberrant sexual bahavior	Conduct disorder
Polysubstance abuse	Tourette's Syndrome		Antisocial behavior
Smoker	Autism	Pathological gambling	Aggressive behavior
Blum K, et al.: Reward Deficiency Syndrome, American Scientist, 84 (2): 132-145, 1996