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A brain-imaging paper by Kastner and colleagues in 1999 was the first to demonstrate that merely focusing attention at a spatial location changed the baseline activity level in various regions of human visual cortex even before any stimuli appeared. The study provided a touchstone for investigating cognitive-sensory interactions and understanding the proactive endogenous signals that shape perception.

Original publication

DOI

10.1016/j.tins.2018.01.005

Type

Journal article

Journal

Trends neurosci

Publication Date

03/2018

Volume

41

Pages

120 - 122

Keywords

anticipatory bias, encoding models, expectation, fMRI, multivariate pattern analysis, visual cortex