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The spatially asymmetric cost of working memory load on visual perception: Transient stimulus-centered neglect
Gozli, Davood G.; Wilson, Kristin E.; Ferber, Susanne
2014
Source PublicationJOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE
ISSN0096-1523
Volume40Issue:2Pages:580-591
Abstract

Recent evidence suggests that visual working memory (VWM) load reduces performance accuracy on a concurrent visual recognition task, particularly for objects presented in the left hemifield. It has also been shown that high VWM load causes suppression of activity in the right temporoparietal junction (TPJ). Given the resemblance of VWM load effects to symptoms of unilateral neglect (i.e., impaired perception on the left side and lesion to the right TPJ), we investigated whether VWM load effects are restricted to the left side of space or extend to object-centered reference frames. In other words, akin to object-centered neglect, can high VWM load cause a perceptual cost in attending to the left side of the stimulus? We addressed this question using an object recognition task (Experiment 1) and a visual search task (Experiment 2) showing that this transient left-neglect can indeed be modulated by an object-centered frame of reference. These findings suggest that load-induced impairments of visual attention are spatially asymmetric and can emerge within multiple spatial reference frames. Therefore, the attentional consequences of high VWM load on conscious perception may serve as a useful model ofunilateral perceptual neglect.

KeywordVisual Working Memory Spatial Reference Frames Hemispheric Asymmetries Neglect Attention
DOIDOI: 10.1037/a0034276
Indexed BySSCI
Language英语
WOS Research AreaPsychology
WOS SubjectPsychology ; Psychology, Experimental
WOS IDWOS:000334522400012
Fulltext Access
Citation statistics
Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF PSYCHOLOGY
Corresponding AuthorGozli, Davood G.
AffiliationUniv Toronto, Dept Psychol, 100 St George St, Toronto, ON M5S 3G3, Canada.
Recommended Citation
GB/T 7714
Gozli, Davood G.,Wilson, Kristin E.,Ferber, Susanne. The spatially asymmetric cost of working memory load on visual perception: Transient stimulus-centered neglect[J]. JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE,2014,40(2):580-591.
APA Gozli, Davood G.,Wilson, Kristin E.,&Ferber, Susanne.(2014).The spatially asymmetric cost of working memory load on visual perception: Transient stimulus-centered neglect.JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE,40(2),580-591.
MLA Gozli, Davood G.,et al."The spatially asymmetric cost of working memory load on visual perception: Transient stimulus-centered neglect".JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE 40.2(2014):580-591.
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