| A rare neuronal ceroid lipofuscinosis characterized by adulthood-onset (11-65 years with the mean of 34 years) epilepsy, cognitive impairment, dementia with behavioral, neuropsychiatric, and movement disturbances. Facial dyskinesia and myoclonus epilepsy are commonly observed. Unspecified motor speech problems and akinetic mutism are also reported in some patients. |
