Accessing long-term memory representations during visual change detection

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Abstract

In visual change detection tasks, providing a cue to the change location concurrent with the test image (postcue) can improve performance, suggesting that, without a cue, not all encoded representations are automatically accessed. Our studies examined the possibility that postcues can encourage the retrieval of representations stored in long-term memory (LTM). Participants detected changes in images composed of familiar objects. Performance was better when the cue directed attention to the post-change object. Supporting the role of LTMin the cue effect, the effect was similar regardless of whether the cue was presented during the inter-stimulus interval, concurrent with the onset of the test image, or after the onset of the test image. Furthermore, the post-cue effect and LTM performance were similarly influenced by encoding time. These findings demonstrate that monitoring the visual world for changes does not automatically engage LTM retrieval. © Psychonomic Society, Inc. 2010.

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Beck, M. R., & van Lamsweerde, A. E. (2011). Accessing long-term memory representations during visual change detection. Memory and Cognition, 39(3), 433–446. https://doi.org/10.3758/s13421-010-0033-4

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