Carlos Morra and Ernst Franzek: Psychopathological Symptoms

Unmotivated laughter

Definition: Presence of episodes of laughter without corresponding triggering stimuli (Parvizi, Arciniegas, Bernardini et al. 2006).

Exploration: The presence of unmotivated laughter can be established by interviewing or by observing the patient.

Reference:

Parvizi J, Arciniegas DB, Bernardini GL, Hoffmann MW, Mohr JP, Rapoport MJ, Schmahmann JD, Silver JM, Tuhrim S. Diagnosis and management of pathological laughter and crying. Mayo Clin Proc. 2006;81:1482-6

October 19, 2019