CACHINNATION

n. a term used to describe loud, unrestrained laughter to the point of being convulsive and hysterical. An abnomal type of laugh, it is often observed in the behavioral pattern of a schizophrenic person.

Cite this page: Nugent, Pam M.S., "CACHINNATION," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/cachinnation/ (accessed November 17, 2017).
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