gelasmus

n. spasmodic laughter in individuals with certain psychogenic disorders, schizophrenia, and some diseases of the brain (especially of the medulla oblongata). When occurring as an aspect of a psychomotor seizure, this type of spasmodic laughter is termed gelastic epilepsy.

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Psychology term of the day

February 25th 2025

disorders of excessive somnolence (DOES)

Sorry, "disorders-of-excessive-somnolence-does" is not in the Dictionary of Psychology. Please report to APA if you believe this is an error.