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In search of a reliable electrophysiological marker of oculomotor inhibition of return


Satel, J and Hilchey, MD and Wang, Z and Reiss, CS and Klein, RM, In search of a reliable electrophysiological marker of oculomotor inhibition of return, Psychophysiology, 51, (10) pp. 1037-45. ISSN 0048-5772 (2014) [Refereed Article]

Copyright Statement

Copyright 2014 The Authors. Licensed under Creative Commons Attribution 3.0 Unported (CC BY 3.0)

DOI: doi:10.1111/psyp.12245


Inhibition of return (IOR) operationalizes a behavioral phenomenon characterized by slower responding to cued, relative to uncued, targets. Two independent forms of IOR have been theorized: input-based IOR occurs when the oculomotor system is quiescent, while output-based IOR occurs when the oculomotor system is engaged. EEG studies forbidding eye movements have demonstrated that reductions of target-elicited P1 components are correlated with IOR magnitude, but when eye movements occur, P1 effects bear no relationship to behavior. We expand on this work by adapting the cueing paradigm and recording event-related potentials: IOR is caused by oculomotor responses to central arrows or peripheral onsets and measured by key presses to peripheral targets. Behavioral IOR is observed in both conditions, but P1 reductions are absent in the central arrow condition. By contrast, arrow and peripheral cues enhance Nd, especially over contralateral electrode sites.

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:111175
Year Published:2014
Web of Science® Times Cited:13
Deposited By:Psychology
Deposited On:2016-09-01
Last Modified:2017-10-31

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