Definition: Syndromes in which the predominant manifestation is some form of tic. A tic is an involuntary, rapid, recurrent, nonrhythmic motor movement (usually involving circumscribed muscle groups) or vocal production that is of sudden onset and that serves no apparent purpose. Tics tend to be experienced as irresistible but usually they can be suppressed for varying periods of time, are exacerbated by stress, and disappear during sleep. Common simple motor tics include only eye-blinking, neck-jerking, shoulder- shrugging, and facial grimacing. Common simple vocal tics include throat-clearing, barking, sniffing, and hissing. Common com ...[+++]plex tics include hitting oneself, jumping, and hopping. Common complex vocal tics include the repetition of particular words, and sometimes the use of socially unacceptable (often obscene) words (coprolalia), and the repetition of one's own sounds or words (palilalia).

Definition: Meets the general criteria for a tic disorder but the tics do not persist longer than 12 months. The tics usually take the form of eye-blinking, facial grimacing, or head-jerking.

blink reflex [ blinking reflex | eyelid closure reflex | eyelid-closure reflex | lid reflex | opticofacial reflex ]

red-eye pen | red-eye remover pen | anti-red-eye pen

Boil of face (excluding eye)

pet-eye pen | pet-eye remover pen

threat reflex [ menace reflex ]

Agenesis of nerve Displacement of brachial plexus Jaw-winking syndrome Marcus Gunn's syndrome

Instead of checking the eye blinking reflex, they check [Inaudible: Editor].