エピソード記憶的手がかりと意味記憶的手がかりの利用に対する作動記憶の役割

概要

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論文The purpose of this study was to explore the role of working memory in the use of episodic and semantic cues. The reading span test in Experiment 1 and the listening span test in Experiment 2, were used as the working memory tasks. Furthermore, in Experiment 2, the word span test was used as the short-term memory task. The tasks for the episodic and semantic cues were based on Thomson and Tulving's (1970) paradigm. In Experiment 1, working memory capacity positively predicted the variables pertaining to the episodic cues. In Experiment 2, the residual function of working memory capacity adjusted by the maintenance function positively predicted the hit rates for the conditions of the episodic and semantic memory cues. Furthermore, this function positively predicted the sensitivity toward the episodic cues, and working memory capacity negatively predicted the report bias. These results suggested that the residual function of working memory capacity adjusted by the maintenance function influenced the retrieval of both the episodic and semantic cues, and that this function influenced the sensitivity toward only the episodic cues. In addition, the result implicated that the report bias of the participants with a small working memory capacity was risky.