Selective attentional delays and attentional capture among simultaneous visual onset elements

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Abstract

Visual discrimination and detection responses to a single stimulus presented simultaneously with noise stimuli are slower and less accurate than are responses to a single stimulus presented alone. This occurs even though the location of the relevant stimulus (target) is known or visually indicated with stimuli onset. Results showed that noise elements delay focal attending and processing of a target. Furthermore, precuing the target location reduces, and can eliminate, target processing delays. Processing delays were not due to response competition or to random attentional capture by noise. It is suggested that simultaneous stimuli are perceived initially as a single object, and delays in processing a single stimulus are due to difficulties in perceptually segregating this stimulus from noise. Precuing is assumed to facilitate this segregation process. © 1994 Psychonomic Society, Inc.

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APA

Fournier, L. R. (1994). Selective attentional delays and attentional capture among simultaneous visual onset elements. Perception & Psychophysics, 56(5), 536–550. https://doi.org/10.3758/BF03206950

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