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Related Experiment Video

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Strategy selection in Alzheimer patients: a study in arithmetic.

Patrick Lemaire1, Mariel Leclère

  • 1a Centre National de la Recherche Scientifique, Aix-Marseille Université , Marseille , France.

Journal of Clinical and Experimental Neuropsychology
|May 3, 2014
PubMed
Summary

Alzheimer's disease (AD) patients struggle to choose optimal strategies for math problems and repeat strategies more often than healthy older adults (HOA). This highlights cognitive differences in strategic decision-making.

Keywords:
Alzheimer’s diseaseArithmeticCognitionCognitive strategiesPerseverationProblem solvingStrategy repetitionStrategy selection

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Area of Science:

  • Cognitive psychology
  • Neuroscience
  • Gerontology

Background:

  • Strategic selection is crucial for effective problem-solving.
  • Dementia, such as Alzheimer's disease (AD), can impair cognitive functions, including strategic decision-making.

Purpose of the Study:

  • To compare the strategy selection abilities of Alzheimer's disease (AD) patients and healthy older adults (HOA).
  • To investigate whether AD patients exhibit a greater tendency to repeat strategies across consecutive problems compared to HOA.

Main Methods:

  • Sixty participants (30 HOA, 30 AD) estimated products of multiplication problems using rounding strategies.
  • Researchers analyzed strategy selection, solution latency, and error rates based on problem characteristics.

Main Results:

  • Both groups could use available strategies, but AD patients were less adept at selecting the optimal one, particularly for difficult problems.
  • AD patients significantly repeated preceding strategies more often than HOA.

Conclusions:

  • AD impairs strategic aspects of cognitive performance, affecting problem-solving approaches.
  • Findings deepen understanding of dementia-related cognitive deficits in strategic processing.