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Related Experiment Videos

Understanding performance and learning in consistent memory search: an age-related perspective

A D Fisk1, B P Cooper, C Hertzog

  • 1School of Psychology, Georgia Institute of Technology, Atlanta 30332-0170, USA.

Psychology and Aging
|June 1, 1995
PubMed
Summary

Learning in memory search tasks shows age-related differences, but automaticity mechanisms are similar. Memory-set unitization best explains automaticity in memory search for both young and old adults.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Factors

Background:

  • Memory search tasks are crucial for understanding cognitive processes.
  • Age-related differences in learning and cognitive performance are well-documented.
  • Automaticity in cognitive tasks, like memory search, is a key area of research.

Purpose of the Study:

  • To investigate age-related learning in consistent mapping (CM) and varied mapping (VM) memory search tasks.
  • To examine transfer effects of learning across different memory search conditions.
  • To identify the underlying mechanisms of automaticity in memory search.

Main Methods:

  • Trained young and old participants on CM and VM memory search tasks for 5,640 trials.
  • Assessed reaction time and comparison slopes to measure learning and automaticity.

Related Experiment Videos

  • Transferred participants to New CM and CM Reversal conditions to evaluate learning transfer.

    • Main Results:

    • Both age groups improved reaction times, with younger adults showing faster improvement.
    • CM training led to zero comparison slopes, indicating automaticity in both age groups.
    • VM training showed persistent age-related differences; transfer effects differed between New CM and CM Reversal.

    Conclusions:

    • Age did not moderate transfer effects, suggesting shared learning mechanisms for CM gains.
    • The findings challenge several proposed mechanisms for automaticity in memory search.
    • Memory-set unitization is proposed as the most likely mechanism underlying automaticity in memory search.