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ASMR as Idiosyncratic Experience: Experimental Evidence.

Chiara Pedrini1, Lorena Marotta1, Andrea Guazzini1,2

  • 1Department of Education, Languages, Intercultures, Literatures and Psychology, University of Florence, via di San Salvi, 12, Building 26, 50100 Florence, Italy.

International Journal of Environmental Research and Public Health
|November 13, 2021
PubMed
Summary

This study explored the neurophysiology of Autonomous Sensory Meridian Response (ASMR), finding increased pupil diameter during ASMR videos. Arousal levels were lower, suggesting unique physiological responses to ASMR triggers.

Keywords:
ASMRNeuroSky brain wavesarousalidiosyncratic experiencespupil diameter

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Area of Science:

  • Neuroscience
  • Psychology

Background:

  • Autonomous Sensory Meridian Response (ASMR) is a subjective experience of tingling sensations triggered by specific stimuli.
  • The Default Mode Network is implicated in ASMR, but its precise neurophysiological underpinnings remain unclear.

Purpose of the Study:

  • To investigate the neurophysiology of ASMR by examining pupil diameter and brain activity.
  • To explore the relationship between ASMR perception and physiological responses.

Main Methods:

  • Utilized a study with 76 participants.
  • Employed self-report measures for psychological dimensions.
  • Measured physiological responses using PupilCore and NeuroSky MindWave Mobile 2.

Main Results:

  • Observed an augmented pupillary diameter during ASMR videos, irrespective of perceived tingles.
  • Found lower arousal levels during ASMR conditions compared to controls.
  • Identified a divergence between pupillary and brain activity measures.

Conclusions:

  • ASMR is associated with distinct neurophysiological changes, including increased pupil dilation and reduced arousal.
  • The observed physiological differences may contribute to the psychological outcomes of ASMR.
  • Further research is needed to fully understand the neurophysiological mechanisms of ASMR.