Table 3.

Tic Subtypes

Motor Tics	Complex Motor Tics	Vocal Tics	Complex Vocal Tics
Forced blinking	Jumping	Sniffing	Shrieking
Eyebrow raising	Teeth baring	Throat-clearing	Coprolalia
Facial grimacing	Lip chewing	Coughing	Blocking tics
Exaggerated eye opening	Punching oneself	Whistling	Repeating oneself or others
Neck jerking	Foot shaking, stomping or tapping	Humming	Abrupt changes in volume or prosody
Broadening nostrils	Tensing the abdomen		Spitting
Shoulder jerking	Tapping or touching of self or objects
Shoulder shrugging