Psychogenic non-epileptic seizures
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Psychogenic non-epileptic seizures (PNES), also known as Non-Epileptic Attack Disorders, are events superficially resembling an epileptic seizure, but without the characteristic electrical discharges associated with epilepsy. Thus, PNES are regarded psychological in origin, and may be thought of as similar to conversion disorder. It is estimated that 20% of seizure patients seen at specialist epilepsy clinics have PNES.
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History
Hystero-epilepsy is a historical term that refers to a condition described by 19th-century French neurologist Jean-Martin Charcot where patients with neuroses "acquired" symptoms resembling seizures as a result of being treated on the same ward as patients who genuinely had epilepsy.
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