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Related Experiment Videos

Awakenings: subjective and objective relationships.

W B Webb, D Schneider-Helmert

    Perceptual and Motor Skills
    |August 1, 1984
    PubMed
    Summary

    This study compared electroencephalographic (EEG) measures of awakenings with subjective reports in older adults. Findings revealed low correlations between objective EEG and subjective awakening experiences, suggesting discrepancies in sleep monitoring.

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    Area of Science:

    • Sleep Science
    • Neuroscience
    • Gerontology

    Background:

    • Objective electroencephalographic (EEG) measures are often used to assess sleep.
    • Subjective reports are commonly used to estimate sleep quality and awakenings.
    • Understanding the relationship between objective and subjective measures is crucial for accurate sleep assessment, especially in aging populations.

    Purpose of the Study:

    • To compare electroencephalographic (EEG) measures of awakenings with subjective estimates of awakening amount and frequency.
    • To investigate the relationship between objective and subjective sleep monitoring in older adults.
    • To explore factors influencing the concordance between EEG and subjective awakening reports.

    Main Methods:

    • Recruited 134 participants (65 men, 69 women) aged 50-70 years.
    • Collected electroencephalographic (EEG) data to objectively measure awakenings.
    • Gathered subjective estimates of awakening amount and frequency.
    • Analyzed scores from a perceptual task to understand discrepancies.

    Main Results:

    • A low correlation was observed between electroencephalographic (EEG) measures of awakenings and subjective estimates.
    • Participant scores on the perceptual task provided insights into the reasons for this low relationship.
    • Variability in both objective and subjective measures was noted across the age range.

    Conclusions:

    • Objective EEG measures and subjective awakening reports show limited agreement in older adults.
    • Perceptual task performance may explain some of the discordance between objective and subjective sleep data.
    • Further research is needed to clarify the functional meaning and implications of these discrepancies in sleep assessment.

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