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Tourette’s Disorder

Tourette’s Disorder (TD; also known as Tourette’s syndrome) is a neurodevelopmental disorder characterized by motor and vocal tics. It is listed in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), alongside two related tic disorders: (1) persistent (chronic) motor or vocal tic disorder and (2) provisional tic disorder (previously referred to as transient tic disorder). The defining symptoms of each disorder are the presence of sudden, rapid, recurrent, nonrhythmic, involuntary movements and vocalizations (referred to as motor and vocal/phonic tics, respectively) that may mimic normal behavior but occur out of context and lack obvious purpose (e.g., do not serve a communicative function). Symptom presentation in TD is highly variable both within and between individuals in terms of the number, topography, frequency, intensity, ...

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