Cambridge University Press, Jan 10, 1994 - Medical - 182 pages
Photosensitive epilepsy is a relatively rare condition in which convulsions are precipitated by visual stimuli. The authors have spent almost 30 years studying this condition and have assembled the largest cohort of patients ever studied by one centre. Their previous book on the subject (1975) became the standard text on this condition. This book reviews the earlier studies, reviews all the literature on this condition in humans and details the many studies that have since been carried out, including studies on drug therapy, the long term prognosis for the condition, pattern sensitivity, video game epilepsy, and convulsions precipitated by other video material. In addition there is advice on procedures to reduce the risk of stimulation from television as well as such factors as the genetics of photosensitivity. This is the most comprehensive text available.
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abnormality on IPS absences alpha rhythm amplitude anti-epileptic drugs anticonvulsants attacks basic EEG Binnie c/deg cent clinical colour complex partial seizures compulsively attracted condition convulsions diffuser EEG abnormality EEG showed effect evoked by IPS eye closure eyelid myoclonus eyes closed eyes open factor female filter flash rates flickering light Gastaut grid history of epilepsy increased induced by IPS intensity investigated Jeavons juvenile myoclonic epilepsy lamp latency lower limit male mean age monocular stimulation myoclonic jerks negative occipital spike occipital spikes occurred P2 component patients showed pattern sensitivity phenobarbitone photosensitive epilepsy photosensitive patients photostimulator precipitated reduced reported response to IPS seen self-induced sensitive to IPS sensitivity range showed a PPR significant slow waves sodium valproate spatial frequency spike and wave spike-wave discharges technique tested Not tested therapy tonic-clonic fit tonic-clonic seizures TV screen TV set TV viewing upper limit video game visual angle watching TV