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[Interhemispheric functional relationships in chronic alcoholism]

Iu L Arzumanov, G S Shostakovich

    Zhurnal Nevropatologii I Psikhiatrii Imeni S.S. Korsakova (Moscow, Russia : 1952)
    |January 1, 1981
    PubMed
    Summary

    Chronic alcoholics exhibit delayed information processing and reduced evoked potentials, particularly in the right hemisphere. This suggests impaired right hemisphere function impacts interhemispheric communication in alcoholism.

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    [Evoked cortical activity to the varying probability of significant stimuli in healthy subjects and alcoholics].

    Fiziologiia cheloveka·1990

    Area of Science:

    • Neuroscience
    • Neurophysiology
    • Cognitive Psychology

    Context:

    • Chronic alcoholism is associated with significant neurological deficits.
    • Understanding interhemispheric communication is crucial for assessing cognitive function in neurological disorders.

    Purpose:

    • To investigate the functional interhemispheric relations in chronic alcoholics using evoked potential analysis.
    • To identify specific hemispheric impairments related to chronic alcohol consumption.

    Summary:

    • Evoked potentials were registered in chronic alcoholics to assess information processing.
    • Results indicated delayed information processing in both hemispheres, more pronounced in the right hemisphere.
    • A statistically significant reduction in evoked response magnitude was observed in the right hemisphere, alongside a prolonged P300 wave latency.

    Impact:

    • Findings suggest that chronic alcoholism leads to altered interhemispheric relations.
    • The study highlights a specific impairment in right hemisphere functioning as a consequence of chronic alcohol abuse.
    • This research contributes to understanding the neurophysiological underpinnings of cognitive deficits in alcoholism.

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