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Effect of alcohol measured by dynamic posturography.
1Department of ENT, University Hospital, Linköping, Sweden.
Acta Oto-Laryngologica. Supplementum
|January 1, 1991
Summary
Alcohol consumption significantly impairs static and dynamic equilibrium, particularly when vision is absent. Dynamic posturography effectively detects these alcohol-induced balance deficits, offering new insights into alcohol
Area of Science:
- Neuroscience
- Human Physiology
- Biomedical Engineering
Background:
- Alcohol consumption is known to affect cognitive and motor functions.
- Assessing alcohol's impact on balance and equilibrium is crucial for understanding its functional consequences.
Purpose of the Study:
- To evaluate the efficacy of dynamic posturography in detecting alcohol-induced impairments in static and dynamic equilibrium.
- To identify specific test conditions within dynamic posturography that are most sensitive to alcohol's effects.
Main Methods:
- Thirteen healthy male volunteers ingested 0.6 g/kg alcohol.
- Dynamic posturography was performed before and after alcohol consumption.
- Blood alcohol levels were monitored, and specific sensory organization and movement coordination tests were conducted.
Main Results:
- Alcohol significantly affected equilibrium in sensory organization tests with eyes closed, on both stable and sway-referenced platforms (p < 0.039, p < 0.017).
- Effects were also noted with a sway-referenced platform and stable visual surround (p < 0.069).
- No significant alcohol effects were observed when the head was tilted or during the movement coordination test.
Conclusions:
- Dynamic posturography is a sensitive tool for detecting alcohol's impact on static and dynamic balance.
- Test conditions involving absent vision are most effective in revealing alcohol-induced equilibrium deficits.
- Findings provide new data on alcohol's effects under dynamic posturography conditions.