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Visuospatial attention: the role of target contrast and task difficulty when assessing the effects of cues

Snowden, Robert Jefferson, Willey, Jennifer and Muir, Janice L. 2001. Visuospatial attention: the role of target contrast and task difficulty when assessing the effects of cues. Perception 30 (8) , pp. 983-991. 10.1068/p3068

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Abstract

Cueing paradigms have become popular in assessing the processes of attention. In two experiments we manipulated (i) the contrast of the target, and (ii) the similarity between the targets discriminated. We used a cue that would isolate the exogenous component of attention. Both a reduction in target contrast and an increase in target similarity raised overall reaction times by a similar amount; however, the target contrast manipulation produced a much greater cueing effect compared with the target similarity manipulation. The results suggest that manipulation of target contrast changes the attention cueing effect at a stage of attracting attention to a location of the target (the 'move' stage), rather than at a later processing stage.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Psychology
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RC Internal medicine > RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
Additional Information: Pdf uploaded in accordance with publisher's policy at http://www.sherpa.ac.uk/romeo/issn/0301-0066/ (accessed 20/02/2014).
Publisher: Pion
ISSN: 0301-0066
Date of First Compliant Deposit: 30 March 2016
Last Modified: 09 Mar 2020 15:02
URI: http://orca-mwe.cf.ac.uk/id/eprint/33866

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