Table 2.

Differences of motor symptoms in ADHD and tic disorders

Tic disorders	ADHD
Fragments of normal movements	Generally increased motor activity
Circumscribed functional muscle groups	General motor hyperactivity
Suddenly occurring (independent of waiting situation)	Slowly increasing (intensified by waiting situation)
Fixed pattern of quick actions	Disorganised, tempo change
Badly modulated	Badly modulated
Uniformly repeated (often in bouts)	Temporally irregular-intermittent (changing intensity)