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date: 23 January 2021

Abstract and Keywords

This review focuses on how covert attention modulates perception. It explains why attention is considered a selective process, the constructs of covert attention, and spatial endogenous and exogenous attention. This review includes the effects of spatial attention on discriminability and appearance in tasks mediated by contrast sensitivity and spatial resolution.

Keywords: covert attention, spatial attention, endogenous (sustained) attention, exogenous (transient) attention, contrast sensitivity, spatial resolution, psychophysics, performance, appearance

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