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  • Title: Variation in working memory capacity and temporal-contextual retrieval from episodic memory.
    Author: Spillers GJ, Unsworth N.
    Journal: J Exp Psychol Learn Mem Cogn; 2011 Nov; 37(6):1532-9. PubMed ID: 21823812.
    Abstract:
    Unsworth and Engle (2007) recently proposed a model of working memory capacity characterized by, among other things, the ability to conduct a strategic, cue-dependent search of long-term memory. Although this ability has been found to mediate individual variation in a number of higher order cognitive tasks, the component processes involved remain unclear. The current study was designed to investigate individual variation in successfully retrieving information from episodic memory by examining various aspects of the retrieval process. Both high- and low-working memory capacity participants were found to initiate recall in a similar fashion; however, low-working memory capacity participants did not show the classic asymmetry in their conditional-response probabilities that is typically observed. Overall, the retrieval deficits observed in low-working memory capacity individuals appear to be rooted in their inability to use the products of retrieval to further aid their search.
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