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Results for “Epilepsy, Reflex”

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PubMedDate not supplied

Reflex epilepsy of the fowl and its transfer to normal chickens by brain embryonic grafts.

The genetic photosensitive epilepsy of the Fayoumi chicken was transferred to normal chickens by in situ grafts at 2 days of incubation, of both the prosencephalic and mesencephalic brain vesicles taken from epileptic embryos. However, mesencephalic graft is sufficient to allow convulsions under sound stimulation. Typical EEG patterns are recorded in chimeras having the prosencephalon plus or not the mesencephalon. We conclude that, in this mutant, the whole neural tissue is affected, but the seizure generator is localized inside the mesencephalon, and specific sensory pathways are necessary for seizures to occur.

Acoustic Stimulation↗
PubMed1986

Reflex epilepsy.

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Acoustic Stimulation↗
PubMed1994

Fits of weeping as an unusual manifestation of reflex epilepsy induced by speaking: case report.

We report the case of a 62-year-old man with no past CNS history who for some weeks had had fits of weeping that lasted from 30" to 3', precede by any aura; sensorium was clear; there were no symptoms of any kind after the paroxysm; in the course of them his facial expression was that of weeping with sobbing and tears, but no corresponding affective-emotional content, as reported by the patient, who was able to converse during these episodes. The fits were easily triggered by speaking. EEG during an episode showed a slight flattening of the trace, high voltage sharp waves at 4-6 c/s appeared, especially over the left hemisphere. CT brainscan and cerebral angiogram revealed a large space-occupying lesion of cystic-necrotic appearance with considerable mass effect and characteristics of glioblastoma. Treatment with barbiturates ended the paroxysmal weeping. We consider that these episodes were simple partial epileptic seizure according to the WHO classification of 1981.

Brain Neoplasms↗
PubMedDate not supplied

Reflex epilepsy evoked by specific psychic activity. A case report.

A patient with epileptic seizures and epileptiform EEG abnormalities precipitated by specific type of intellectual activity is presented. Clinical and subclinical epileptic seizures were accompanied by specific EEG discharges--the left parieto-occipito-temporal spike-and-wave complexes with various grade of generalization. On the basis of detailed EEG and activation studies, it is concluded that seizures in this patient were evoked by higher cognitive processes associated with decision making, anticipation and spatial function.

Adolescent↗