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Updated: Jun 17, 2026

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Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication
Published on: February 6, 2019
[Electroencephalographic examination in alcohol dependents].
Yuya Onozawa1, Eiji Yoshihara, Jun Aoki
1Laboratory of Neurophysiology, the Graduate School of Environmental Health Sciences, Azabu University, 1-17-71 Fuchinobe, Sagamihara, Kanagawa 229-8501, Japan.
Summary
Electroencephalographic (EEG) examinations reveal significant brain abnormalities in most alcohol dependents. These findings suggest EEG is crucial for assessing brain function in individuals with alcoholism.
Area of Science:
- Neuroscience
- Clinical Neurology
- Addiction Medicine
Context:
- Alcohol dependence is a chronic relapsing brain disorder.
- Previous electroencephalographic (EEG) studies reported limited abnormalities in alcohol dependents.
- Clinical presentation of alcohol dependence often involves neurological and psychological disturbances.
Purpose:
- To investigate the prevalence of abnormal electroencephalographic (EEG) findings in alcohol-dependent individuals presenting with various clinical symptoms.
- To determine the diagnostic utility of EEG in assessing brain function in alcoholism.
Summary:
- Electroencephalographic (EEG) examinations were conducted on 73 alcohol-dependent patients.
- Abnormal EEG findings were observed in 47 (64%) of the participants.
- The observed abnormalities correlated with symptoms such as disturbance of consciousness, convulsions, memory impairment, emotional disorders, and hallucinations.
Impact:
- The study highlights the high rate of EEG abnormalities in symptomatic alcohol dependents.
- Findings suggest that EEG is a valuable tool for real-time assessment of brain function in alcoholism.
- Routine EEG may aid in the diagnosis and management of neurological complications associated with alcohol dependence.

