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  • Title: Does gaze direction really trigger a reflexive shift of spatial attention?
    Author: Friesen CK, Moore C, Kingstone A.
    Journal: Brain Cogn; 2005 Feb; 57(1):66-9. PubMed ID: 15629217.
    Abstract:
    Previous studies have found that the gaze direction of a centrally presented face facilitates response time (RT) to a lone peripheral target. The widely accepted interpretation of this finding is that gaze direction triggers a cortically mediated reflexive shift of spatial attention. In the present study we tested an alternative explanation, that a target appearing abruptly on its own in the visual field triggers a subcortically mediated reflexive shift of spatial attention, which is modulated by compatibility with gaze direction. Using central gaze cues, we compared RT to a single peripheral onset target with RT to a peripheral onset target accompanied by an equivalent distractor at the mirror opposite location. In both cases the facilitation effect was the same, demonstrating conclusively that the observed orienting is attributable to the reflexive effects of the gaze cue.
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