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  • Title: Understanding performance and learning in consistent memory search: an age-related perspective.
    Author: Fisk AD, Cooper BP, Hertzog C, Anderson-Garlach MM, Lee MD.
    Journal: Psychol Aging; 1995 Jun; 10(2):255-68. PubMed ID: 7662185.
    Abstract:
    This study was conducted to investigate learning in memory search tasks. Young and old participants were trained for 5,640 trials of consistent mapping (CM) and varied mapping (VM) memory search. After training, participants were transferred into New CM and CM Reversal conditions. During training, both young and old adults improved reaction time performance, with more rapid improvement for the young adults. In CM training, both age groups achieved zero comparison slopes, indicating automaticity in CM memory search. VM training maintained a large age-related difference in search times. Age did not moderate the transfer effects, suggesting similar learning mechanisms were responsible for the original CM training gains in both age groups; however, transfer effects were different for CM Reversal and New CM. The pattern of transfer data argues against several possible mechanisms for automaticity in memory search. The data are most compatible with a hypothesis of memory-set unitization as the locus of automaticity in memory search.
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