Asymmetrical access to color and location in visual working memory

Rajsic, Jason and Wilson, Daryl E. (2014) Asymmetrical access to color and location in visual working memory. Attention, Perception, & Psychophysics, 76 (7). pp. 1902-1913. ISSN 1943-3921

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Models of visual working memory (VWM) have benefitted greatly from the use of the delayed-matching paradigm. However, in this task, the ability to recall a probed feature is confounded with the ability to maintain the proper binding between the feature that is to be reported and the feature (typically location) that is used to cue a particular item for report. Given that location is typically used as a cue-feature, we used the delayed-estimation paradigm to compare memory for location to memory for color, rotating which feature was used as a cue and which was reported. Our results revealed several novel findings: 1) the likelihood of reporting a probed object’s feature was superior when reporting location with a color cue than when reporting color with a location cue; 2) location report errors were composed entirely of swap errors, with little to no random location reports; and 3) both colour and location reports greatly benefitted from the presence of nonprobed items at test. This last finding suggests that it is uncertainty over the bindings between locations and colors at memory retrieval that drive swap errors, not at encoding. We interpret our findings as consistent with a representational architecture that nests remembered object features within remembered locations.

Item Type: Article
Uncontrolled Keywords: Visual working memory, Precision, Spatial working memory
Subjects: C800 Psychology
Department: Faculties > Health and Life Sciences > Psychology
Depositing User: Elena Carlaw
Date Deposited: 16 Dec 2019 15:47
Last Modified: 31 Jul 2021 20:19

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