Myoclonic Epilepsy - Cedars-Sinai - adult myoclonic epilepsy

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Myoclonic Epilepsy: Symptoms, Causes, Diagnosis, and Treatment adult myoclonic epilepsy


Sep 23, 2019 · Myoclonic epilepsy involves myoclonic seizures. They are characterized by myoclonic jerks—sudden, unintended muscle contractions. They are characterized by myoclonic jerks—sudden, unintended muscle contractions.

Myoclonic epilepsy causes the muscles in the body to contract. This type of seizure causes quick jerking movements. Myoclonic seizures often happen in everyday life. This includes hiccups and a sudden jerk while falling asleep.

Benign adult familial myoclonic epilepsy is an inherited epileptic syndrome characterized by cortical hand tremors, myoclonic jerks, and rare convulsive seizures. In most affected individuals, the disease takes a benign course; however, at advanced age, worsening of the tremor and myoclonus is common, and slight intellectual disability is present in a subset of patients.

Myoclonic seizures are brief shock-like jerks of a muscle or group of muscles. They occur in a variety of epilepsy syndromes that have different characteristics. During a myoclonic seizure, the person is usually awake and able to think clearly.

Familial adult myoclonic epilepsy (FAME) is an autosomal dominant syndrome characterized by a core triad of cortical tremor, multifocal myoclonus, and generalized tonic-clonic seizures (GTCS). Cortical tremor is a jerky postural and action tremor of the hands, usually with adolescent or adult onset, accompanied by neurophysiological features of cortical reflex myoclonus. 1, 2 Photosensitivity is .