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Related Experiment Videos

Specific- and partial-source memory: effects of aging.

Jon S Simons1, Chad S Dodson, Deborah Bell

  • 1Department of Psychology, Harvard University, Cambridge, MA, USA. jon.simons@ucl.ac.uk

Psychology and Aging
|December 9, 2004
PubMed
Summary
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Introduction.

Annual review of psychology·2026

Older adults show memory impairments, but this study found no greater decline in specific-source memory versus partial-source memory when accounting for overall recognition ability.

Area of Science:

  • Cognitive Psychology
  • Neuroscience of Aging
  • Human Memory

Background:

  • Normal aging is linked to difficulties in source memory, which is the ability to recall the context of an event.
  • Source memory includes specific details (e.g., who said what) and partial details (e.g., the speaker's gender).

Purpose of the Study:

  • To investigate how aging affects specific-source memory and partial-source memory.
  • To determine if age-related memory deficits disproportionately impact specific-source memory compared to partial-source memory.

Main Methods:

  • Young and older adults completed memory tasks assessing specific- and partial-source recollection.
  • Participants were matched on either overall recognition accuracy (old-new recognition) or partial-source memory performance.

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Main Results:

  • When matched for old-new recognition, both young and older adults showed deficits in specific- and partial-source recollection.
  • When matched for partial-source performance, no significant difference in impairment was found for specific-source memory in older adults.

Conclusions:

  • Aging does not appear to cause a disproportionate decline in specific-source memory compared to partial-source memory.
  • The findings suggest that age-related source memory impairments may be related to general recognition abilities rather than a specific deficit in recalling detailed contextual information.