Motor tic
Motor Tic
A Motor Tic (pronounced: /ˈmoʊtər tɪk/) is a sudden, rapid, repetitive movement or sound that people do repeatedly. People who have motor tics cannot stop their body from making these movements or sounds.
Etymology
The term "Motor Tic" is derived from the French word "tic," which means "habit," and the English word "motor," which refers to movement.
Definition
Motor tics are involuntary and nonrhythmic movements that can be classified as either simple or complex. Simple motor tics are sudden, brief, meaningless movements like eye blinking, head jerking, or shoulder shrugging. Complex motor tics are distinct, coordinated patterns of movements involving several muscle groups, such as hopping, twirling, or jumping.
Causes
Motor tics are associated with Tourette's Syndrome, a neurological disorder characterized by repetitive, stereotyped, involuntary movements and vocalizations called tics. They can also be caused by other medical conditions, such as Huntington's disease, Parkinson's disease, and certain types of encephalitis.
Treatment
Treatment for motor tics can include medications, behavioral therapy, and in some cases, deep brain stimulation. The choice of treatment depends on the severity of the tics and their impact on the individual's quality of life.
Related Terms
External links
- Medical encyclopedia article on Motor tic
- Wikipedia's article - Motor tic
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