Retrieval Goal Modulates Memory for Context

Journal of Cognitive Neuroscience
Rachael L Elward, Michael D Rugg

Abstract

fMRI was employed to assess whether the contents of recollection vary according to retrieval goal. At study, visually presented words were superimposed on urban or rural scenes or a gray background. The word-background pairs were presented in one of three spatial locations. During a scanned test phase, studied and unstudied words were presented. Two different source memory tasks were randomly interleaved. In the "background" task, the requirement was to judge whether the word had been presented against one of the two classes of scene, as opposed to the alternate class or the gray background. In the "location" task, discrimination was between words presented in one of the two lateral locations and words presented in either of the alternate locations. In both tasks, unstudied words required a separate response. In the background task, words studied against scenes elicited greater activity in parahippocampal and retrosplenial cortex than did words studied against the gray background, consistent with prior reports of scene reinstatement effects. Reinstatement effects were also evident in the location task. Relative to the background task, however, the effects were attenuated in parahippocampal cortex. In other regions, including me...Continue Reading

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Citations

Sep 27, 2018·Proceedings of the National Academy of Sciences of the United States of America·Kazuya SuwabeHideaki Soya
Mar 26, 2021·Neurobiology of Aging·Sabina SrokovaMichael D Rugg
Aug 21, 2021·Memory & Cognition·Elizabeth Dutemple, Signy Sheldon
Aug 23, 2021·Brain and Cognition·Mingzhu HouMichael D Rugg

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