par Carels, Guy 
Référence Electroencephalography and clinical neurophysiology, 18, 4, page (415-418)
Publication Publié, 1965-03
Référence Electroencephalography and clinical neurophysiology, 18, 4, page (415-418)
Publication Publié, 1965-03
Article révisé par les pairs
| Résumé : | 1. 1. The action of visual stimuli and of mental work on the paroxysm of 3/sec spike and wave complexes produced by flicker in a case of centrencephalic epilepsy has been studied. 2. 2. Opening of the eyes during 3-5 sec, or shining a bright light on the eyelids, prior to the application of flicker, exerts a long-term dynamogenic action on the paroxysms. The discharge is reduced, as is well known, when the eyes are open during flicker, presumably through the operation of a neuronal desynchronisation phenomenon. 3. 3. Mental calculation leads to a prolonged depression of the mechanism responsible for the paroxysms, which seems to result from true inhibitory processes. 4. 4. The results suggest that an enhancement of the level of vigilance can depress the centrencephalic epileptic discharges set up by flicker, as a result of thalamo-cortical activation-desynchronisation processes as well as true centrencephalic inhibition. © 1965. |
