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Increased REM eye movement density in self-rated depression.

V P Zarcone, K L Benson

    Psychiatry Research
    |January 1, 1983
    PubMed
    Summary
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    Young men not clinically depressed showed more eye movement density with higher Zung depression scores. This suggests a potential disinhibition of rapid eye movement (REM) sleep events in depression.

    Area of Science:

    • Psychology
    • Sleep Medicine
    • Neuroscience

    Background:

    • Depression is associated with altered sleep patterns.
    • Rapid eye movement (REM) sleep is particularly implicated in depressive disorders.
    • Previous research suggests a REM sleep disinhibition or phase advance in depression.

    Purpose of the Study:

    • To investigate the relationship between subclinical depressive symptoms and specific polysomnographic sleep measures in young adult males.
    • To examine correlations between Zung depression scores and eye movement density, REM latency, and specific sleep stages.

    Main Methods:

    • 19 non-complaining young adult males underwent polysomnography.
    • Zung Self-Rating Depression Scale and Minnesota Multiphasic Personality Inventory (MMPI) Depression Scale were administered.

    Related Experiment Videos

  • Sleep data including REM latency, stage 3/4 sleep, and eye movement density were analyzed.

    • Main Results:

    • A positive correlation was found between Zung depression scores and eye movement density.
    • No significant relationship was observed between Zung depression scores and REM latency, stage 3/4 sleep, or REM in the first third of the sleep period.
    • Participants scored within the average range on the MMPI Depression Scale, indicating they were not clinically depressed.

    Conclusions:

    • Increased eye movement density may be an early indicator or correlate of depressive processes, even in non-clinical populations.
    • The findings support the hypothesis of REM sleep disinhibition or phase lead in depression.
    • Further research is warranted to explore the neurobiological underpinnings of these associations.