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Pathophysiology of Tourette Syndrome. Abbreviations: sREM; rapid eye movement sleep. NREM; non-rapid eye movement sleep. SWS; slow wave sleep. TMs; twitch movements. GMs; gross movements. PET; positron emission tomography. DA; dopamine. 5HT; 5-hydroxytryptamine. ADHD; attention deficit hyperactivity disorder. OCD; obsessive compulsive disorder. DSPS; delayed sleep phase syndrome. SSRI; selective serotonin reuptake inhibitor.
