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Effect of object onset on the distribution of visual attention.

Cole, G. G. and Gellatly, A. R. H. and Blurton, A. (2001) 'Effect of object onset on the distribution of visual attention.', Journal of experimental psychology : human perception and performance., 27 (6). pp. 1356-1368.


There now exists considerable evidence to suggest that the appearance of a new object in the visual field captures visual attention. One of the consequences of this attentional capture is that the object initiates a redistribution of attentional resources across visual space. This is classically observed in the precuing paradigm in which the onset of an abrupt cue influences the processing of a subsequently presented target. The present research describes a new phenomenon that occurs as a result of a new object appearing in the visual field. A stimulus presented in a region of space adjacent to a corner of an onsetting object receives an enhancement of processing relative to a stimulus presented adjacent to one of the object's straight edges. With the use of 2 converging methods, evidence is presented that suggests that the effect is a higher order attentional phenomenon whereby greater resources become directed to the corners of objects.

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Record Created:22 Jan 2009
Last Modified:10 Mar 2017 11:34

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