Motor tic

Motor tic is a sudden, rapid, recurrent, nonrhythmic motor movement or vocalization. They are classified into two main types: simple and complex.

Simple Motor Tics

Simple motor tics are sudden, brief, meaningless movements that usually involve only one group of muscles, such as eye blinking, head jerking, or shoulder shrugging.

Complex Motor Tics

Complex motor tics are distinct, coordinated patterns of movements involving several muscle groups. These might include facial grimacing combined with a head twist and a shoulder shrug, or other types of movements or vocalizations.

Causes

Motor tics are associated with Tourette's syndrome, but can also occur in other conditions such as OCD and ADHD. The exact cause of motor tics is unknown, but it is believed to involve biochemical abnormalities in certain areas of the brain.

Treatment

Treatment for motor tics may include behavioral therapies, medications, and in some cases, surgery. The choice of treatment depends on the severity of the tics and their impact on the individual's daily life.

See Also

• Tourette's syndrome
• Obsessive-compulsive disorder
• Attention deficit hyperactivity disorder

Motor tic Resources
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