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Related Experiment Video

Updated: May 8, 2026

Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder

Chronic Intermittent Ethanol Vapor Exposure Paired with Two-Bottle Choice to Model Alcohol Use Disorder

Published on: June 23, 2023

Alcohol consumption enhances vection.

Takeharu Seno¹, Shinji Nakamura

¹Institute for Advanced Study, Kyushu University, 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan. seno@design.kyushu-u.ac.jp

|August 23, 2013

Summary

Alcohol consumption was found to enhance forward vection, which is the perception of self-motion. This suggests alcohol impacts the brain processes governing how we sense movement.

Area of Science:

Neuroscience
Psychophysics
Human Perception

Background:

Self-motion perception is crucial for spatial orientation and navigation.
Alcohol is known to affect cognitive and motor functions, but its specific impact on vection is less understood.

Purpose of the Study:

To investigate the effect of alcohol consumption on forward vection.
To determine if alcohol consumption alters psychophysical processes related to self-motion perception.

Main Methods:

Participants underwent psychophysical testing to measure forward vection.
Vection thresholds and magnitudes were assessed before and after controlled alcohol consumption.

Main Results:

Alcohol consumption significantly enhanced forward vection.

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The magnitude of perceived self-motion increased following alcohol intake.

Conclusions:

Alcohol consumption demonstrably alters self-motion perception.
These findings highlight alcohol's influence on the neurobiological underpinnings of psychophysical processes involved in vection.