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"Dennō Senshi Porygon", an episode of the Japanese television series Pokémon, induced epileptic seizures in 685 children.

Historical image related to "Dennō Senshi Porygon", an episode of the Japanese television series Pokémon, induced epileptic seizures in 685 children. from December 16, 1997

Dennō Senshi Porygon

38th episode of the 1st season of Pokémon

"Dennō Senshi Porygon" is the 38th episode of the Pokémon anime's first season. During its sole broadcast in Japan on December 16, 1997, multiple scenes with flashing lights induced photosensitive epileptic seizures in children across the country. Over 600 people, mostly…
Source: Wikipedia (CC BY-SA)

Pokémon (TV series)

Japanese anime television series

Pokémon, abbreviated from the Japanese title of Pocket Monsters, and branded in English as Pokémon the Series and Pokémon Horizons: The Series, is a Japanese anime television series, part of The Pokémon Company's Pokémon media franchise, which premiered on TV Tokyo in April 1997.
Source: Wikipedia (CC BY-SA)

Seizure

Period of symptoms due to excessive or synchronous neuronal brain activity

A seizure is a sudden, brief disruption of brain activity caused by abnormal, excessive, or synchronous neuronal firing. Depending on the regions of the brain involved, seizures can lead to changes in movement, sensation, behavior, awareness, or consciousness. Symptoms vary…
Source: Wikipedia (CC BY-SA)