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Tijdschrift voor Psychiatrie 49 (2007) 5, 333 - 337

Case report

Pathological laughter. A case study

D.B. Beke, M. Hebbrecht

summary A 22-year-old man sometimes engaged in inappropriate laughter. The affective lability fitted in with the diagnosis of mental retardation and of a personality disorder Not Otherwise Specified. In this brief review of the literature we discuss the neuroanatomy, psychodynamics and phenomenology of pathological laughter. Up till now there have been only a few restricted and fragmentary studies of pathological laughter in psychiatry. Pathological laughter is often a result of organic mental disorders.

keywords laughter, pathological, treatment