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Related Experiment Videos

Electroencephalographic changes during experimental hangover.

K Sainio, T Leino, M O Huttunen

    Electroencephalography and Clinical Neurophysiology
    |May 1, 1976
    PubMed
    Summary
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    Hangover slows brain activity, specifically decreasing alpha waves and increasing theta waves on electroencephalograms (EEGs). This brain function change is linked to alcohol

    Area of Science:

    • Neuroscience
    • Pharmacology

    Background:

    • Hangover is a common condition following excessive alcohol consumption.
    • The physiological and neurological effects of hangover are not fully understood.

    Purpose of the Study:

    • To investigate the effects of hangover on electroencephalogram (EEG) activity.
    • To determine if hangover-induced EEG changes are related to residual alcohol or other physiological factors.

    Main Methods:

    • EEG recordings were taken from 27 healthy male volunteers during peak hangover.
    • Control EEGs were recorded after water consumption and under normal conditions.
    • Computer analysis of spectral and frequency parameters was performed on EEG data.

    Main Results:

    • Visual EEG analysis revealed decreased alpha activity and increased theta activity during hangover.

    Related Experiment Videos

  • Spectral analysis showed a statistically significant increase in 7-8 c/sec activity.
  • EEG changes were not explained by blood alcohol level, hypoglycemia, or acidosis.

    • Conclusions:

    • Hangover is associated with significant alterations in brain electrical activity.
    • The observed EEG slowing suggests a depressant effect of ethanol or its metabolites on cortical function.
    • Fatigue was ruled out as a cause for the observed EEG changes.