0
Q
Localization
A
EPS
1
Q
Perceptual characteristics
A
Consonant imprecision Prolonged intervals Variable pitch Monopitch Harshness
2
Q
Etiologies
A
Ballism Huntington's chorea Tourette's Sydenham's chorea Infection
3
Q
Neuromuscular conditions
A
Quick, jerky, involuntary muscle tics
Variable tone
