publication . Article . 2012

Localizing the Neural Substrate of Reflexive Covert Orienting

Valerie Higenell; Brian J. White; Joshua R. Hwang; Douglas P. Munoz;
Open Access English
  • Published: 15 Dec 2012 Journal: Journal of Eye Movement Research, volume 6, issue 1 (issn: 1995-8692, Copyright policy)
  • Publisher: Bern Open Publishing
Abstract
The capture of covert spatial attention by salient visual events influences subsequent gaze behavior. A task irrelevant stimulus (cue) can reduce (Attention capture) or prolong (Inhi-bition of return) saccade reaction time to a subsequent target stimulus depending on the cue-target delay. Here we investigated the mechanisms that underlie the sensory-based account of AC/IOR by manipulating the visual processing stage where the cue and target interact. In Experiment 1, liquid crystal shutter goggles were used to test whether AC/IOR occur at a monocular versus binocular processing stage (before versus after signals from both eyes converge). In Experiment 2, we test...
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free text keywords: saccade, monocular, attention, orientation tuning, primary visual cortex, Human anatomy, QM1-695, Sensory Systems, Ophthalmology, Gaze, Visual processing, Neuroscience, Saccade, Psychology, Monocular, Sensory system, Artificial intelligence, business.industry, business, Stimulus (physiology), Computer vision, Inhibition of return, Neural substrate
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