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Ital J Neurol Sci. 1987 Oct;8(5):437-47.

Photic epilepsy problems raised in man and animals.

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  • 1Départment dé Neurophysiologie Appliquée C.N.R.S., Gifsur-Yuette, France.


The data gathered in 30 years' study in man and in several animal species, but especially in the Papio papio baboon, tend to show that the cortex plays a decisive part in the seizure and interval discharges induced by intermittent light stimulation in photic epilepsy. Two regions of the cortex predominate: the frontorolandic and occipital regions. The cortical cortex can, indeed, transmit or control the visual input to the frontorolandic region and can cause intermittent discharges in certain specific conditions in baboons and in certain human patients. The corticocortical pathway conveys the visual impulses to the frontorolandic cortex and is certainly modulated by deep structures like the reticular systems and the thalamus. At present no more can be said since further research is needed.

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