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Related Experiment Video

Updated: Oct 3, 2025

Quantifying Infra-slow Dynamics of Spectral Power and Heart Rate in Sleeping Mice
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ASMR amplifies low frequency and reduces high frequency oscillations.

Thomas R Swart1, Michael J Banissy2, Thomas P Hein1

  • 1Department of Psychology, Goldsmiths, University of London, United Kingdom.

Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
|February 21, 2022
PubMed
Summary

Autonomous sensory meridian response (ASMR) involves calming, tingling sensations. This study reveals ASMR brain activity changes, including decreased high-frequency brainwaves and sustained alpha power, potentially explaining the relaxing effects.

Keywords:
ASMRAutonomous sensory meridian responseBeamformerEEGSource reconstruction

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Area of Science:

  • Neuroscience
  • Psychology

Background:

  • Autonomous sensory meridian response (ASMR) is a subjective experience characterized by calming, tingling sensations.
  • The neurophysiological underpinnings of ASMR remain largely unexplored, particularly electrophysiological correlates.

Purpose of the Study:

  • To investigate the source-level electroencephalography (EEG) signatures of oscillatory brain activity during ASMR.
  • To examine potential decay effects of ASMR on brain oscillations in the absence of reported sensations.

Main Methods:

  • Participants underwent EEG recording while viewing ASMR-inducing videos and reporting their state (Baseline, Relaxed, ASMR).
  • Source-space analysis using beamformer reconstruction was employed to identify cortical activity.
  • Statistical comparisons were made between different reported states to identify significant oscillatory changes.

Main Results:

  • ASMR was associated with decreased high gamma power and increased alpha power compared to relaxation, and decreased delta power compared to baseline.
  • Source-level analysis showed increased low-mid frequency power (8-18 Hz) and decreased high-frequency power (21-80 Hz) during ASMR.
  • ASMR decay effects involved reduced gamma power, with sustained alpha power lasting up to 45 minutes post-ASMR.

Conclusions:

  • ASMR-induced tingling sensations may originate from decreased high-frequency brain oscillations.
  • ASMR experiences are associated with distinct electrophysiological patterns, including sustained alpha activity.
  • These findings suggest ASMR can induce a prolonged state of relaxation.