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The Nature of Selective Process during The Comparison between Visual Working Memory and Perceptual Inputs

The Korean Journal of Cognitive and Biological Psychology / The Korean Journal of Cognitive and Biological Psychology, (P)1226-9654; (E)2733-466X
2009, v.21 no.3, pp.147-166
https://doi.org/10.22172/cogbio.2009.21.3.001

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Abstract

Comparison between visual working memory (VWM) representation and incoming perception has been reported to be rapid and immediate (Hyun, Woodman, Vogel, Niese, & Luck, 2003). The present study further tested if a visual change in an ignored or in other words, a task‐irrelevant feature dimension would be detected while a relevant feature dimension is paid attention for change‐detection. Electrophysiological index of change‐induced shift of attention (e.g., N2pc) indicated that the irrelevant change does not appear triggering the shift of attention to a location of the change. When increased the number of changes however, subjects were more distracted than when there was only a single change. The results indicate that comparison between solid VWM representation and incoming perception occurs in an automatic fashion but can operate selectively in a controlled manner if necessary.

keywords
시각작업기억, 비교, 변화탐지, N2pc, 통제적 처리, visual working memory, comparison, change detection, N2pc, controlled process, visual working memory, comparison, change detection, N2pc, controlled process

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The Korean Journal of Cognitive and Biological Psychology