Test your clinical knowledge on JB, a right-handed, 35-year-old patient with a history of generalized anxiety disorder, who came into the clinic to be evaluated and managed for atypical movements that started in adolescence. JB frequently exhibits quick shoulder shrugs, abrupt head movements to the right, and throat clearing during the neurologic examination. Examination results for the cerebellum, motor, sensory, and reflexes are unremarkable.