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Related Experiment Videos

Adult age differences in source recall: a population-based study

K Erngrund1, T Mäntylä, L G Nilsson

  • 1Umeå University, Sweden. Karin.Erngrund@psy.umu.se

The Journals of Gerontology. Series B, Psychological Sciences and Social Sciences
|November 1, 1996
PubMed
Summary

Older adults experience significant declines in memory for information sources, a phenomenon known as source amnesia. This age-related memory impairment affects source recall more than item recall.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience of Aging

Background:

  • Source recall, the ability to remember where information was learned, is crucial for memory accuracy.
  • Cognitive aging research highlights age-related memory declines, but specific impacts on source recall require further investigation.

Purpose of the Study:

  • To investigate age-related differences in source recall within a large, healthy adult population.
  • To determine if source recall deteriorates more than item recall with age.

Main Methods:

  • A population-based sample of 1000 healthy adults aged 35-80 years participated.
  • Participants studied facts from known and unknown persons presented via four distinct sources.
  • Screening included demographic, psychological, and biological variables.

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Main Results:

  • An age-related decline in both item and source recall was observed.
  • Source recall was more significantly impaired than item recall across age groups.
  • Source amnesia increased in the oldest cohort (75-80 years) and correlated with word comprehension.

Conclusions:

  • Cognitive aging is characterized by an increased tendency to forget information sources, even when the information itself is retained.
  • Source amnesia represents a specific feature of cognitive aging, impacting memory accuracy in older adults.