| A rare neurologic disease with the manifestation of an underlying psychiatric illness that cannot be attributed to any known structural or neurochemical disease. The disease presents typically during adolescence or adulthood. Symptoms may include one or several types of abnormal movements seen in organic movement disorders (tremor, dystonia, chorea, bradykinesia, myoclonus, tics, athetosis, ballism, cerebellar incoordination) and also affect speech and gait. Underlying causes fall into three categories: Conversion disorder, somatic symptom disorders or in rare cases factitious disorder. |
