Habitual, repeated, rapid contraction of certain muscles, resulting in stereotyped individualized actions that can be voluntarily suppressed for only brief periods. They often involve the face, vocal cords, neck, and less often the extremities. Examples include repetitive throat clearing, vocalizations, sniffing, pursing the lips, and excessive blinking. Tics tend to be aggravated by emotional stress. When frequent they may interfere with speech and INTERPERSONAL RELATIONS. Conditions which feature frequent and prominent tics as a primary manifestation of disease are referred to as TIC DISORDERS. (From Adams et al., Principles of Neurology, 6th ed, pp109-10)

Descriptor ID	D020323
MeSH Number(s)	C10.597.350.700 C23.888.592.350.700
Concept/Terms	Tics Tics Tic Habituation Spasm Habituation Spasms Spasm, Habituation Spasms, Habituation Habit Chorea Chorea, Habit Choreas, Habit Habit Choreas Habit Spasm Habit Spasms Spasm, Habit Spasms, Habit Tic, Vocal Tic, Vocal Tics, Vocal Vocal Tic Vocal Tics Tic, Transient Tic, Transient Tics, Transient Transient Tic Transient Tics Tic, Gestural Tic, Gestural Gestural Tic Gestural Tics Tics, Gestural Tic, Motor Tic, Motor Motor Tic Motor Tics Tics, Motor

Below are MeSH descriptors whose meaning is more general than "Tics".

Below are MeSH descriptors whose meaning is related to "Tics".

Below are MeSH descriptors whose meaning is more specific than "Tics".