A dynamic neural field model of visual working memory and change detection

Johnson, Jeffrey S., Spencer, John P. ORCID: https://orcid.org/0000-0002-7320-144X, Luck, Steven J. and Schöner, Gregor (2009) A dynamic neural field model of visual working memory and change detection. Psychological Science, 20 (5). pp. 568-577. ISSN 0956-7976

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Efficient visually guided behavior depends on the ability to form, retain, and compare visual representations for objects that may be separated in space and time. This ability relies on a short-term form of memory known as visual working memory. Although a considerable body of research has begun to shed light on the neurocognitive systems subserving this form of memory, few theories have addressed these processes in an integrated, neurally plausible framework. We describe a layered neural architecture that implements encoding and maintenance, and links these processes to a plausible comparison process. In addition, the model makes the novel prediction that change detection will be enhanced when metrically similar features are remembered. Results from experiments probing memory for color and for orientation were consistent with this novel prediction. These findings place strong constraints on models addressing the nature of visual working memory and its underlying mechanisms.

Item Type: Article
Faculty \ School: Faculty of Social Sciences > School of Psychology
UEA Research Groups: Faculty of Social Sciences > Research Groups > Developmental Science
Depositing User: Pure Connector
Date Deposited: 13 Nov 2015 16:01
Last Modified: 20 Jun 2023 13:31
URI: https://ueaeprints.uea.ac.uk/id/eprint/55244
DOI: 10.1111/j.1467-9280.2009.02329.x

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