Autonomous sensory meridian response (ASMR) is a neologism for a perceptual phenomenon characterized as a distinct, pleasurable tingling sensation in the head, scalp, back, or peripheral regions of the body in response to visual, auditory, olfactory, and/or cognitive stimuli.

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Many role-playing videos and audio recordings also aim to stimulate ASMR. Examples include descriptive sessions, in a style similar to guided imagery, for experiences such as haircuts, visits to a doctor’s office, and ear-cleaning. While these make-believe situations are acted out by the creator, viewers and listeners report an ASMR effect that relieves insomnia,[2] anxiety or panic attacks.

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