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Light flashes, patterns, or color changes can provoke seizures in up to 1 in 4000 persons. Prevalence may be higher because of selection bias. The Epilepsy Foundation reviewed light‐induced seizures in 2005. Since then, images on social media, virtual reality, three‐dimensional (3D) movies, and the Internet have proliferated. Hundreds of studies have explored the mechanisms and presentations of photosensitive...
Photosensitivity, which is the hallmark of photosensitive epilepsy (PSE), is described as an abnormal EEG response to visual stimuli known as a photoparoxysmal response (PPR). The PPR is a well-recognized phenomenon, occurring in 2–14% of patients with epilepsy but its pathophysiology is not clearly understood. PPR is electrographically described as 2–5Hz spike, spike-wave, or slow wave complexes...
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