Dissociable spatial and temporal effects of inhibition of return.
Inhibition of return (IOR) refers to the relative suppression of processing at locations that have recently been attended. It is frequently explored using a spatial cueing paradigm and is characterized by slower responses to cued than to uncued locations. The current study investigates the impact of...
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doaj-0e48c2d667be4e0a8b7baa0a9817ce292021-03-03T20:27:38ZengPublic Library of Science (PLoS)PLoS ONE1932-62032012-01-0178e4429010.1371/journal.pone.0044290Dissociable spatial and temporal effects of inhibition of return.Zhiguo WangJan TheeuwesInhibition of return (IOR) refers to the relative suppression of processing at locations that have recently been attended. It is frequently explored using a spatial cueing paradigm and is characterized by slower responses to cued than to uncued locations. The current study investigates the impact of IOR on overt visual orienting involving saccadic eye movements. Using a spatial cueing paradigm, our experiments have demonstrated that at a cue-target onset asynchrony (CTOA) of 400 ms saccades to the vicinity of cued locations are not only delayed (temporal cost) but also biased away (spatial effect). Both of these effects are basically no longer present at a CTOA of 1200 ms. At a shorter 200 ms CTOA, the spatial effect becomes stronger while the temporal cost is replaced by a temporal benefit. These findings suggest that IOR has a spatial effect that is dissociable from its temporal effect. Simulations using a neural field model of the superior colliculus (SC) revealed that a theory relying on short-term depression (STD) of the input pathway can explain most, but not all, temporal and spatial effects of IOR.https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22952949/pdf/?tool=EBI |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Zhiguo Wang Jan Theeuwes |
spellingShingle |
Zhiguo Wang Jan Theeuwes Dissociable spatial and temporal effects of inhibition of return. PLoS ONE |
author_facet |
Zhiguo Wang Jan Theeuwes |
author_sort |
Zhiguo Wang |
title |
Dissociable spatial and temporal effects of inhibition of return. |
title_short |
Dissociable spatial and temporal effects of inhibition of return. |
title_full |
Dissociable spatial and temporal effects of inhibition of return. |
title_fullStr |
Dissociable spatial and temporal effects of inhibition of return. |
title_full_unstemmed |
Dissociable spatial and temporal effects of inhibition of return. |
title_sort |
dissociable spatial and temporal effects of inhibition of return. |
publisher |
Public Library of Science (PLoS) |
series |
PLoS ONE |
issn |
1932-6203 |
publishDate |
2012-01-01 |
description |
Inhibition of return (IOR) refers to the relative suppression of processing at locations that have recently been attended. It is frequently explored using a spatial cueing paradigm and is characterized by slower responses to cued than to uncued locations. The current study investigates the impact of IOR on overt visual orienting involving saccadic eye movements. Using a spatial cueing paradigm, our experiments have demonstrated that at a cue-target onset asynchrony (CTOA) of 400 ms saccades to the vicinity of cued locations are not only delayed (temporal cost) but also biased away (spatial effect). Both of these effects are basically no longer present at a CTOA of 1200 ms. At a shorter 200 ms CTOA, the spatial effect becomes stronger while the temporal cost is replaced by a temporal benefit. These findings suggest that IOR has a spatial effect that is dissociable from its temporal effect. Simulations using a neural field model of the superior colliculus (SC) revealed that a theory relying on short-term depression (STD) of the input pathway can explain most, but not all, temporal and spatial effects of IOR. |
url |
https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22952949/pdf/?tool=EBI |
work_keys_str_mv |
AT zhiguowang dissociablespatialandtemporaleffectsofinhibitionofreturn AT jantheeuwes dissociablespatialandtemporaleffectsofinhibitionofreturn |
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