Infantile type of so-called neuronal ceroid-lipofuscinosis.

Age Factors Ataxia/complications Cerebral Cortex/pathology Child Child, Preschool Electroencephalography Electromyography Humans Hyperkinesis/complications Inclusion Bodies/ultrastructure Lipidoses/diagnosis,diagnostic imaging,pathology Locomotion Male Microscopy, Electron Muscle Rigidity Muscle Tonus Myoclonus/complications Neurons/ultrastructure Pneumoencephalography