Humor is the tendency of experiences to provoke laughter, or at least some amusement. People of all ages and cultures respond to humor of one kind or another. The word comes from the Latin for “body fluid” and its origin has some connection to the Greek theory of humoral balance required for health. Neurophysiologists today think that perception of humor comes from engagement of the temporo-occipital-parietal areas of the brain detecting and resolving incongruity, as well as the dopaminergic system and the amygdala, which are the key structures for reward processing.
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