{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T22:46:46Z","timestamp":1790635606802,"version":"4.1.0"},"reference-count":31,"publisher":"Wiley","license":[{"start":{"date-parts":[[2016,8,21]],"date-time":"2016-08-21T00:00:00Z","timestamp":1471737600000},"content-version":"unspecified","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Neuroscience Journal"],"published-print":{"date-parts":[[2016,8,21]]},"abstract":"<jats:p><jats:italic>Objective<\/jats:italic>. This study aims to evaluate the incidence of pathological cerebral activity responses to intermittent rhythmic photic stimulation (IPS) after a single epileptic seizure.<jats:italic> Patients and Methods.<\/jats:italic> One hundred and thirty-seven EEGs were performed at the Neurophysiology Department of Mohamed V Teaching Military Hospital in Rabat. Clinical and EEG data was collected.<jats:italic> Results.<\/jats:italic> 9.5% of our patients had photoparoxysmal discharges (PPD). Incidence was higher in males than in females, but <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mrow><mml:mi>p<\/mml:mi><\/mml:mrow><\/mml:math> value was not significant (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:mi>p<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">0.34<\/mml:mn><\/mml:math>), and it was higher in children compared to adults with significant <mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M3\"><mml:mrow><mml:mi>p<\/mml:mi><\/mml:mrow><\/mml:math> value (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M4\"><mml:mi>p<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">0.08<\/mml:mn><\/mml:math>). The most epileptogenic frequencies were within the range 15\u201320\u2009Hz. 63 patients had an EEG after 72 hours; among them 11 were photosensitive (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M5\"><mml:mi>p<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">0.001<\/mml:mn><\/mml:math>). The frequency of the PPR was significantly higher in patients with generalized abnormalities than in focal abnormalities (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M6\"><mml:mi>p<\/mml:mi><mml:mo>=<\/mml:mo><mml:mn fontstyle=\"italic\">0.001<\/mml:mn><\/mml:math>). EEG confirmed a genetic generalized epilepsy in 8 cases among 13 photosensitive patients.<jats:italic> Conclusion<\/jats:italic>. PPR is age related. The frequencies within the range 15\u201320 Hz should inevitably be included in EEG protocols. The presence of PPR after a first seizure is probably more in favor of generalized seizure rather than the other type of seizure. PPR seems independent from the delay Seizure-EEG. Our study did not show an association between sex and photosensitivity.<\/jats:p>","DOI":"10.1155\/2016\/5050278","type":"journal-article","created":{"date-parts":[[2016,8,21]],"date-time":"2016-08-21T21:02:25Z","timestamp":1471813345000},"page":"1-6","source":"Crossref","is-referenced-by-count":3,"title":["IPS Interest in the EEG of Patients after a Single Epileptic Seizure"],"prefix":"10.1155","volume":"2016","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-2873-6565","authenticated-orcid":true,"given":"Fatima Zahra","family":"Taoufiqi","sequence":"first","affiliation":[{"name":"Unit of Nervous and Endocrine Physiology, Laboratory of Genetics and Neuroendocrine Physiology, Department of Biology, Faculty of Sciences, Ibn Tofail University, PB 133, 14000 Kenitra, Morocco"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jamal","family":"Mounach","sequence":"additional","affiliation":[{"name":"Neurophysiology Department, Mohamed V Teaching Military Hospital, Rabat 10100, Morocco"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Amal","family":"Satte","sequence":"additional","affiliation":[{"name":"Neurophysiology Department, Mohamed V Teaching Military Hospital, Rabat 10100, Morocco"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hamid","family":"Ouhabi","sequence":"additional","affiliation":[{"name":"Service of Neurology, Cheikh Khalifa Hospital, Casablanca 82403, Morocco"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aboubaker","family":"El Hessni","sequence":"additional","affiliation":[{"name":"Unit of Nervous and Endocrine Physiology, Laboratory of Genetics and Neuroendocrine Physiology, Department of Biology, Faculty of Sciences, Ibn Tofail University, PB 133, 14000 Kenitra, 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