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Neurology. 2000 Feb 22;54(4):971-3.

"Pressure to laugh": an unusual epileptic symptom associated with small hypothalamic hamartomas.

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  • 1Department of Neurology, University of Melbourne, Austin and Repatriation Medical Centre, Heidelberg, Victoria, Australia.

Abstract

Gelastic seizures are the hallmark of the epilepsy syndrome associated with hypothalamic hamartomas. Patients typically develop cognitive deterioration and refractory seizures. The authors describe three patients with small hypothalamic hamartomas without these features and thus identify a mild end to the clinical spectrum. All had the unusual symptom of "pressure to laugh," often without actual laughter. This symptom could be dismissed as psychogenic but should be recognized as a clue to the presence of this unusual lesion.

PMID:
10690995
[PubMed - indexed for MEDLINE]
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