Myoclonic astatic epilepsy presenting eyelid myoclonic seizures induced by closing of eyes.
A male infant with myoclonic astatic epilepsy showed myoclonic seizures of the eyelids by closing of the eyes. There was no photosensitivity in EEG with flash-stimulation and he could induce seizures even in total darkness. The latency between a lid closure and onset of seizure discharges on EEG was relatively long (0.3-0.5 second). Epileptic seizures in this patient may be induced via a brainstem reticular formation, and elevated Bell's position seems to be the necessary stimulus to produce seizures.
Inagaki
M
M
Division of Child Neurology, Tottori University School of Medicine, Yonago, Japan.
Suzuki
N
N
Koeda
T
T
Kamuro
K
K
Ohtani
K
K
D001767:Blinking / Q000502:physiology*; D001933:Brain Stem / Q000503:physiopathology; D002675:Child, Preschool; D004569:Electroencephalography; D004831:Epilepsies, Myoclonic / Q000235:genetics / Q000503:physiopathology*; D005071:Evoked Potentials / Q000502:physiology; D005143:Eyelids / Q000294:innervation*; D006801:Humans; D008297:Male; D009434:Neural Pathways / Q000503:physiopathology; D010775:Photic Stimulation; D012154:Reticular Formation / Q000503:physiopathology