Type | Motor | Vocal |
---|---|---|
Simple | Blinking Grimacing Head jerking Shoulder shrugging | Grunting or barking Sniffing or snorting Throat clearing |
Complex | Combinations of simple tics (such as head turning plus shoulder shrugging) Copropraxia: Using sexual or obscene gestures Echopraxia: Imitating someone's movements | Coprolalia: Uttering socially inappropriate words (such as obscenities or ethnic slurs) Echolalia: Repeating one's own or another's sounds or words |