Top-down control of visual sensory processing during an ocular motor response inhibition task

Clementz, Brett A. and Gao, Yuan and McDowell, Jennifer E. and Moratti, Stephan and Keedy, Sarah K. and Sweeney, John A. (2010). Top-down control of visual sensory processing during an ocular motor response inhibition task. "Psychophysiology", v. 47 (n. 6); pp. 1011-1018. ISSN 0048-5772. https://doi.org/10.1111/j.1469-8986.2010.01026.x.

Description

Title: Top-down control of visual sensory processing during an ocular motor response inhibition task
Author/s:
  • Clementz, Brett A.
  • Gao, Yuan
  • McDowell, Jennifer E.
  • Moratti, Stephan
  • Keedy, Sarah K.
  • Sweeney, John A.
Item Type: Article
Título de Revista/Publicación: Psychophysiology
Date: November 2010
ISSN: 0048-5772
Volume: 47
Subjects:
Freetext Keywords: Attention;Bias signal;EEG;Saccade;Antisaccade;Visual steady state
Faculty: E.T.S.I. Telecomunicación (UPM)
Department: Tecnología Fotónica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The study addressed whether top-down control of visual cortex supports volitional behavioral control in a novel antisaccade task. The hypothesis was that anticipatory modulations of visual cortex activity would differentiate trials on which subjects knew an anti- versus a pro-saccade response was required. Trials consisted of flickering checkerboards in both peripheral visual fields, followed by brightening of one checkerboard (target) while both kept flickering. Neural activation related to checkerboards before target onset (bias signal) was assessed using electroencephalography. Pretarget visual cortex responses to checkerboards were strongly modulated by task demands (significantly lower on antisaccade trials), an effect that may reduce the predisposition to saccade generation instigated by visual capture. The results illustrate how top-down sensory regulation can complement motor preparation to facilitate adaptive voluntary behavioral control.

More information

Item ID: 8603
DC Identifier: http://oa.upm.es/8603/
OAI Identifier: oai:oa.upm.es:8603
DOI: 10.1111/j.1469-8986.2010.01026.x
Official URL: http://onlinelibrary.wiley.com/doi/10.1111/j.1469-8986.2010.01026.x/abstract
Deposited by: Memoria Investigacion
Deposited on: 09 Aug 2011 10:44
Last Modified: 20 Apr 2016 17:19
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