Article

Stimulus Vignetting and Orientation Selectivity in Human Visual Cortex

2018-04-18

Abstract excerpt

Neural selectivity to orientation is one of the simplest and most thoroughly-studied cortical sensory features. Here, we show that a large body of research that purported to measure orientation tuning may have in fact been inadvertently measuring sensitivity to second-order changes in luminance, a phenomenon we term ‘vignetting’. Using a computational model of neural responses in primary visual cortex (V1), we dem...

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Literature Corpus work: fbf17dc4-d459-5d5b-962e-c68c588eb7fe
DOI: 10.1101/303719

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