Table 1.

Summary of the clinical manifestations of ADHD and OCD.

	Age onset	Clinical manifestation
ADHD	Unknown, probably primary school age	Inattention: easily distracted, forgetful, difficulty in organizing tasks and activities, difficulty in sustaining attention Hyperactivity and impulsiveness: difficulty in waiting for his turn, restlessness, difficulty to remain seated, excessive talking
OCD	10 years	Obsessive thoughts: fear of aliens and the special meaning of the color “blue” because of its association to aliens Obsessive slowness: impaired function and lack of concentration due to obsessive thoughts and compulsive behavior Compulsion: counting and ritualized touching

ADHD, attention deficit hyperactivity disorder; OCD, obsessive–compulsive disorder.