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The EEG in centenarians.

O Hubbard, D Sunde, E S Goldensohn

    Electroencephalography and Clinical Neurophysiology
    |April 1, 1976
    PubMed
    Summary
    This summary is machine-generated.

    Electroencephalograms (EEGs) in healthy centenarians show lower alpha range rhythms. Despite age-related slowing, frequency doesn't progressively decrease between 80-100 years, though abnormalities are common.

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    Area of Science:

    • Neuroscience
    • Gerontology
    • Electroencephalography

    Background:

    • Centenarians represent a unique population for studying aging.
    • Understanding brain activity in extreme longevity is crucial for aging research.

    Purpose of the Study:

    • To describe the electroencephalogram (EEG) characteristics of healthy centenarians.
    • To investigate age-related changes in brain electrical activity in the oldest old.

    Main Methods:

    • Analysis of electroencephalograms (EEGs) from ten centenarian participants.
    • Comparison of EEG findings with younger age groups and consideration of disease-related factors.

    Main Results:

    • Healthy centenarians typically exhibit posterior dominant rhythms in the lower alpha range (mean 8.62 c/sec).

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  • EEG slowing is more pronounced at age 100 compared to younger individuals, but no progressive decline was observed between ages 80 and 100.
  • Abnormalities such as diffuse slowing or slow wave foci (frequently left temporal) were present in most records.

    • Conclusions:

    • The study provides insights into the specific EEG patterns of healthy centenarians.
    • Observed EEG changes are discussed in the context of aging versus disease-related cerebral alterations.
    • Findings contribute to understanding neurological function in extreme human aging.