Gelastic

Gelastic is a term used to refer to a certain type of epilepsy or epileptic seizure. The seizures of gelastic epilepsy are characterized by spells of involuntary laughter.

Gelastic epilepsy often results from a developmental abnormality of the brain known as hypothalamic hamartoma.

From the Greek gelastikos — gelaein , to laugh.

• ILAE Glossary of Descriptive Terminology for Ictal Semiology, Epilepsia, 2001.

• Virginia Gyselinck (She knows her stuff)

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