Cortical control of inhibition of return: evidence from patients with inferior parietal damage and visual neglect. Bourgeois, A., Chica, A. B, Migliaccio, R., Thiebaut de Schotten, M., & Bartolomeo, P. Neuropsychologia, 50(5):800–809, April, 2012. ![Cortical control of inhibition of return: evidence from patients with inferior parietal damage and visual neglect [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Inhibition of return (IOR) refers to slower reaction times to targets presented at previously stimulated or inspected locations. This phenomenon biases orienting towards novel locations and is functional to an effective exploration of the environment. Patients with right brain damage and left visual neglect explore their environment asymmetrically, with strong difficulties to orient attention to left-sided objects. We show for the first time a dissociation between manual and saccadic IOR in neglect. Our patients demonstrated facilitation, instead of inhibition, for repeated right-sided targets with manual responses, but normal IOR to right-sided targets with saccadic responses. All neglect patients had damage to the supramarginal gyrus in the right parietal lobe, or to its connections with the ipsilateral prefrontal cortex. We concluded that IOR with manual responses relies on fronto-parietal attentional networks in the right hemisphere, whose functioning is typically impaired in neglect patients. Saccadic IOR may instead depend on circuits less likely to be damaged in neglect, such as the retinotectal visual pathway.
@article{bourgeoisCorticalControlInhibition2012,
title = {Cortical control of inhibition of return: evidence from patients with inferior parietal damage and visual neglect},
volume = {50},
issn = {1873-3514},
shorttitle = {Cortical control of inhibition of return},
url = {http://www.ncbi.nlm.nih.gov/pubmed/22285795},
doi = {10/fzpbbg},
abstract = {Inhibition of return (IOR) refers to slower reaction times to targets presented at previously stimulated or inspected locations. This phenomenon biases orienting towards novel locations and is functional to an effective exploration of the environment. Patients with right brain damage and left visual neglect explore their environment asymmetrically, with strong difficulties to orient attention to left-sided objects. We show for the first time a dissociation between manual and saccadic IOR in neglect. Our patients demonstrated facilitation, instead of inhibition, for repeated right-sided targets with manual responses, but normal IOR to right-sided targets with saccadic responses. All neglect patients had damage to the supramarginal gyrus in the right parietal lobe, or to its connections with the ipsilateral prefrontal cortex. We concluded that IOR with manual responses relies on fronto-parietal attentional networks in the right hemisphere, whose functioning is typically impaired in neglect patients. Saccadic IOR may instead depend on circuits less likely to be damaged in neglect, such as the retinotectal visual pathway.},
number = {5},
urldate = {2012-05-18},
journal = {Neuropsychologia},
author = {Bourgeois, Alexia and Chica, Ana B and Migliaccio, Raffaella and Thiebaut de Schotten, Michel and Bartolomeo, Paolo},
month = apr,
year = {2012},
pmid = {22285795},
keywords = {\#nosource},
pages = {800--809},
annote = {PAPERS},
file = {Bourgeois et al_2012_Cortical control of inhibition of return.pdf:/Users/paolo.bartolomeo/PICNIC Lab Dropbox/Paolo Bartolomeo/Zotero pdf/Bourgeois et al_2012_Cortical control of inhibition of return.pdf:application/pdf;Bourgeois et al_2012_Cortical control of inhibition of return.pdf:/Users/paolo.bartolomeo/PICNIC Lab Dropbox/Paolo Bartolomeo/Zotero pdf/Bourgeois et al_2012_Cortical control of inhibition of return2.pdf:application/pdf;Cortical control of inhibition of return\: evidence from patients with inferior parietal damage and visual neglect:/Users/paolo.bartolomeo/Zotero/storage/8VIKXHVE/bourgeois2012.pdf.pdf:application/pdf},
}
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