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Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
Published on: February 6, 2019
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Alcohol consumption and cognitive function in elderly Japanese men.
Ali Tanweer Siddiquee1, Aya Kadota2, Akira Fujiyoshi3
1Center for Epidemiologic Research in Asia, Shiga University of Medical Science, Otsu, Japan.
Alcohol (Fayetteville, N.Y.)
|January 11, 2020
Summary
This study found no link between current alcohol consumption and cognitive function in elderly Japanese men. However, former drinkers showed lower cognitive scores, suggesting further research into reasons for quitting alcohol is needed.
Area of Science:
- Gerontology
- Neuroscience
- Epidemiology
Background:
- Heavy alcohol consumption is a known risk factor for cognitive decline.
- Potential benefits of moderate alcohol intake on cognition, especially in older adults, are debated but underexplored in Asian populations.
Purpose of the Study:
- To investigate the association between alcohol consumption levels and cognitive function in elderly Japanese men.
- To examine global and domain-specific cognitive performance across different drinking categories.
Main Methods:
- Cross-sectional analysis of data from the Shiga Epidemiological Study of Subclinical Atherosclerosis (SESSA).
- Categorization of 585 men (≥65 years) into: never, ex-, very light, light, moderate, and heavy drinkers.
- Cognitive function assessed using the Cognitive Abilities Screening Instrument (CASI), with adjustments for confounding factors.
Main Results:
- No significant differences in CASI scores were observed between current drinkers (all levels) and never-drinkers.
- Ex-drinkers exhibited significantly lower global cognitive function and impaired abstraction/judgment compared to never-drinkers.
- The study found no beneficial or detrimental effects of current alcohol consumption on cognition in this cohort.
Conclusions:
- Current alcohol consumption, at any level, does not appear to affect cognitive function in elderly Japanese men.
- Lower cognitive function in ex-drinkers warrants further investigation to understand the underlying reasons for cessation.
- Findings highlight the need for nuanced research into alcohol's long-term impact on cognitive health in diverse populations.
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