June 2007
Volume 7, Issue 9
Free
Vision Sciences Society Annual Meeting Abstract  |   June 2007
Driven to less distraction: rTMS of the right parietal cortex reduces attentional capture in visual search by eliminating inter-trial priming
Author Affiliations
  • John Hodsoll
    Department of Psychology, University of Birmingham
  • Carmel Mevorach
    Department of Psychology, University of Birmingham
  • Glyn Humphreys
    Department of Psychology, University of Birmingham
Journal of Vision June 2007, Vol.7, 228. doi:10.1167/7.9.228
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      John Hodsoll, Carmel Mevorach, Glyn Humphreys; Driven to less distraction: rTMS of the right parietal cortex reduces attentional capture in visual search by eliminating inter-trial priming. Journal of Vision 2007;7(9):228. doi: 10.1167/7.9.228.

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Abstract

In visual search, the presence of a highly salient color distractor in a display slows search for a shape target, consistent with an attentional shift to the distractor. We investigated the role of the parietal cortex in attentional capture by a singleton using rTMS. Following disruption to the right parietal cortex by sustained TMS, the RT cost of the singleton distractor was diminished. Moreover, at least part of this reduction of singleton distraction was due to the elimination of priming effects between target and distractor singletons on consecutive trials. This is consistent with previous work positing the representation of salience in the right parietal cortex (e.g. Corbetta and Shulman, 2002) and further suggests a role for the right parietal cortex in the integration of bottom-up salience information with top-down information about the role of salient items in prior trials.

Hodsoll, J. Mevorach, C. Humphreys, G. (2007). Driven to less distraction: rTMS of the right parietal cortex reduces attentional capture in visual search by eliminating inter-trial priming [Abstract]. Journal of Vision, 7(9):228, 228a, http://journalofvision.org/7/9/228/, doi:10.1167/7.9.228. [CrossRef]
Footnotes
 MRC, UK
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