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Related Experiment Videos

The link between knowledge and remembering in Alzheimer's disease

L Bäckman1

  • 1Department of Psychology, Göteborg University, Sweden.

Scandinavian Journal of Psychology
|November 4, 1998
PubMed
Summary

Alzheimer's disease (AD) impairs memory support utilization, requiring more assistance for episodic remembering. Cognitive reserve declines later than memory deficits, suggesting a gradual AD progression.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Gerontology

Background:

  • Episodic remembering is crucial for daily function.
  • Cognitive support strategies aim to enhance memory recall.
  • Alzheimer's disease (AD) significantly impacts memory processes.

Purpose of the Study:

  • To review the influence of cognitive support on episodic memory in normal aging and AD.
  • To explore the relationship between knowledge, memory, and cognitive interventions.
  • To understand how AD affects the utilization of memory support.

Main Methods:

  • Review of empirical studies on cognitive support and episodic memory.
  • Analysis of memory performance in healthy aging and AD populations.
  • Examination of encoding and retrieval support effectiveness.

Main Results:

  • AD patients show deficits in utilizing cognitive support for memory enhancement.
  • AD requires more extensive support (encoding and retrieval) for memory gains.
  • Effective support utilization in AD is linked to elaborative encoding activities.
  • Reduced cognitive reserve capacity appears later in AD pathogenesis than memory impairment.

Conclusions:

  • Cognitive support is less effective in AD due to memory and semantic network deficits.
  • Intervention strategies for AD memory loss must provide robust encoding and retrieval support.
  • The progression of AD from normal aging may be a continuous process.

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