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Examining the dissociation of retinotopic and spatiotopic inhibition of return with event-related potentials


Satel, J and Wang, Z and Hilchey, MD and Klein, RM, Examining the dissociation of retinotopic and spatiotopic inhibition of return with event-related potentials, Neuroscience Letters, 524, (1) pp. 40-4. ISSN 0304-3940 (2012) [Refereed Article]

Copyright Statement

Copyright 2012 Elsevier Ireland Ltd.

DOI: doi:10.1016/j.neulet.2012.07.003


Inhibition of return (IOR) is thought to reflect a mechanism that biases orienting which, under some circumstances, reduces perceptual processing at previously processed locations. Studies using event-related potentials (ERPs) have generally revealed that IOR is accompanied by an amplitude reduction of early sensory ERP components (e.g., P1). While behavioral studies suggest that IOR may be represented in both spatiotopic and retinotopic coordinates, all previous ERP studies have used the prototypical spatial cueing paradigm and have thus confounded retinotopic and spatiotopic reference frames. Because of this confound it is unknown whether the P1 reduction that has been associated with IOR will be observed in retinotopic or spatiotopic coordinates when these are dissociated. The current experiment investigated whether the P1 component would be modulated by IOR when the retinotopic and spatiotopic reference frames were dissociated by an eye movement between cue and target onset. Strong spatiotopic IOR was found to be accompanied by a negative difference (Nd) in the 200-300 ms time window, while a P1 reduction was absent, suggesting that P1 reductions do not provide an accurate reflection of IOR.

Item Details

Item Type:Refereed Article
Research Division:Psychology
Research Group:Cognitive and computational psychology
Research Field:Memory and attention
Objective Division:Expanding Knowledge
Objective Group:Expanding knowledge
Objective Field:Expanding knowledge in psychology
UTAS Author:Satel, J (Dr Jason Satel)
ID Code:111165
Year Published:2012
Web of Science® Times Cited:26
Deposited By:Psychology
Deposited On:2016-09-01
Last Modified:2017-10-31

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