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Hippocampal formation size predicts declining memory performance in normal aging

J Golomb1, A Kluger, M J de Leon

  • 1Department of Neurology, New York University Medical Center, NY 10016, USA.

Neurology
|September 1, 1996
PubMed
Summary
This summary is machine-generated.

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Hippocampal formation (HF) atrophy is common in aging and may predict memory decline. Smaller HF size in cognitively normal older adults was linked to accelerated memory dysfunction over time.

Area of Science:

  • Neuroscience
  • Gerontology
  • Medical Imaging

Background:

  • Hippocampal formation (HF) atrophy is frequently observed in normal aging.
  • The clinical significance of HF atrophy in non-demented older adults remains unclear.

Purpose of the Study:

  • To investigate the relationship between baseline hippocampal formation size and longitudinal memory changes in cognitively normal older adults.

Main Methods:

  • Magnetic Resonance Imaging (MRI) was used to measure HF size in 44 cognitively normal older adults.
  • Multiple regression analyses controlled for age, gender, education, and diffuse cerebral atrophy.

Main Results:

  • Baseline HF size significantly predicted longitudinal changes in memory test performance.

Related Experiment Videos

  • A smaller HF size was associated with accelerated memory decline over a mean follow-up of 3.8 years.

    • Conclusions:

    • Hippocampal formation atrophy may serve as a risk factor for accelerated memory dysfunction in normal aging.
    • These findings highlight the potential clinical relevance of HF size in predicting cognitive trajectories.