Journal
CURRENT DIRECTIONS IN PSYCHOLOGICAL SCIENCE
Volume 17, Issue 2, Pages 86-90Publisher
BLACKWELL PUBLISHING
DOI: 10.1111/j.1467-8721.2008.00554.x
Keywords
visual attention; feature-based attention; object-based attention; cognitive control; fMRI; human brain
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Funding
- NIDA NIH HHS [R01 DA013165, R01 DA013165-09] Funding Source: Medline
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Selective attention is an intrinsic component of perceptual representation in a visual system that is hierarchically organized. Modulatory signals originate in brain regions that represent behavioral goals; these signals specify which perceptual objects are to be represented by sensory neurons that are subject to contextual modulation. Attention can be deployed to spatial locations, features, or objects, and corresponding modulatory signals must be targeted within these domains. Open questions include how nonspatial perceptual domains are modulated by attention and how abstract goals are transformed into targeted modulatory signals.
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