All of the following shows positive myoclonus except?: (A) Hepatic encephalopathy, (B) Variant CJD, (C) Janz syndrome, (D) Salaam seizures
Answer is A. Negative myoclonus: Metabolic cause which contributes to development of myoclonus. E.g. Metabolic encephalopathies Variant CJD- stale / reflex myoclonus variant (loud noise causes a myoclonus) Janz syndrome- Juvenile myoclonic epilepsy Hypnogogic jerks: Falling to sleep and sudden jerky movement e.g. while going off to sleep