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Updated: Jul 7, 2026

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
09:26

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Published on: February 6, 2019

A 74-year-old man with memory loss and neuropathy who enjoys alcoholic beverages

John C M Brust1

  • 1Department of Neurology, Columbia University College of Physicians and Surgeons, Harlem Hospital Center, New York, NY 10037, USA. jcb2@columbia.edu

JAMA
|February 7, 2008
PubMed

Insights

Alcohol can harm the nervous system, but moderate intake may reduce dementia risk. Management involves reducing alcohol dependence and cognitive support.

Area of Science:

  • Neurology
  • Neuroscience
  • Geriatrics

Background:

  • Alcohol's neurotoxic effects can impact both the peripheral and central nervous systems.
  • Adverse effects are often indirect, stemming from nutritional deficiencies common in heavy drinkers.

Observation:

  • A case study of an older adult with moderate to heavy alcohol consumption presenting with memory difficulties.
  • Diagnostic considerations included mild cognitive impairment, Alzheimer dementia, Wernicke-Korsakoff syndrome, and alcoholic dementia.

Findings:

  • Distinguishing alcohol's role in cognitive decline can be challenging as disorders are not mutually exclusive.
  • Epidemiological data suggest mild to moderate alcohol consumption may lower the risk of developing mild cognitive impairment or dementia, including Alzheimer's.

Implications:

  • Management strategies should address both alcohol dependence and cognitive impairment progression.
  • Interventions may include behavioral or pharmacological therapies for alcohol reduction and promoting cognitive leisure activities for brain health.

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