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Does alcohol affect emotional face processing via interoceptive pathways?

Mateo Leganes-Fonteneau1, Marsha E Bates1, Anthony Pawlak1

  • 1Department of Kinesiology and Health, Rutgers University, New Brunswick, NJ, USA; Cardiac Neuroscience Laboratory, Center of Alcohol and Substance Use Studies, Rutgers University, New Brunswick, NJ, USA.

Drug and Alcohol Dependence
|July 11, 2021
PubMed
Summary
This summary is machine-generated.

Alcohol disrupts the body

Keywords:
Alcohol administrationCardiac amplificationEmotional processingInteroception

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Area of Science:

  • Neuroscience
  • Psychology
  • Psychopharmacology

Background:

  • The brain integrates bodily signals (interoception) to interpret emotions.
  • Alcohol affects emotional processing and interoceptive systems.
  • Understanding alcohol's impact on interoception and emotion perception is crucial.

Purpose of the Study:

  • To investigate if alcohol alters interoceptive signals.
  • To determine if these altered signals affect emotional face perception.
  • To explore the physiological mechanisms linking alcohol, interoception, and emotion.

Main Methods:

  • 36 participants received alcohol or placebo.
  • Cardiovascular physiology was monitored pre- and post-administration.
  • Participants completed tasks viewing emotional faces synchronized with cardiac cycles (systole, diastole).

Main Results:

  • Alcohol administration is hypothesized to disrupt the amplification of emotional face processing by interoceptive signals.
  • The study will examine if this disruption correlates with cardiovascular changes.

Conclusions:

  • Alcohol may impair the integration of bodily signals for emotional perception.
  • Findings could elucidate alcohol's effects on social cognition and emotional processing.