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[Prospective memory in normal aging and Alzheimer's disease].

Estelle Eusop-Roussel1, Anne-Marie Ergis

  • 1Laboratoire de psychopathologie et de neuropsychologie cliniques, Institut de psychologie, Université René Descartes Paris 5, Boulogne-Billancourt. eroussel@ugecamidf.fr

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Summary

Prospective memory (PM), remembering future intentions, shows varied age effects. Factors like cue salience and executive functions influence older adults' performance, especially in time-based tasks.

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Area of Science:

  • Cognitive Psychology
  • Neuropsychology
  • Developmental Psychology

Context:

  • Prospective memory (PM) involves remembering to perform intended actions, like medication intake.
  • Age-related differences in PM performance vary, particularly between event-based and time-based tasks.
  • Existing research highlights the role of retrieval processing, cue characteristics, and executive functions in PM.

Purpose:

  • To critically review cognitive and neuropsychological studies on age-related deficits in prospective memory.
  • To examine mediating factors such as cue salience, task complexity, and executive functions.
  • To address the variability in findings regarding age differences in PM tasks.

Summary:

  • Older adults often exhibit greater deficits in time-based PM tasks compared to event-based PM tasks.
  • Performance in PM tasks is influenced by factors including cue-intention association strength and ongoing task demands.
  • Deficits in PM are notably pronounced in individuals with mild Alzheimer's disease, exceeding those in episodic memory or executive functions.

Impact:

  • Understanding the nuances of age-related PM decline is crucial for interventions and support.
  • The review underscores the complexity of prospective memory and the multifaceted nature of age-related changes.
  • Findings contribute to the broader understanding of cognitive aging and memory disorders.