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- W2783648687 abstract "Abstract Surface color appearance depends on both local surface chromaticity and global context. How are these inter-dependencies supported by cortical networks? Combining functional imaging and psychophysics, we examined if color from long-range filling-in engages distinct pathways from responses caused by a field of uniform chromaticity. We find that color from filling-in is best classified and best correlated with appearance by two dorsal areas, V3A and V3B/KO. In contrast, a field of uniform chromaticity is best classified by ventral areas hV4 and LO. Dynamic causal modeling revealed feedback modulation from area V3A to areas V1 and LO for filling-in, contrasting with feedback from LO modulating areas V1 and V3A for a matched uniform chromaticity. These results indicate a dorsal stream role in color filling-in via feedback modulation of area V1 coupled with a cross-stream modulation of ventral areas suggesting that local and contextual influences on color appearance engage distinct neural networks." @default.
- W2783648687 created "2018-01-26" @default.
- W2783648687 creator A5030109986 @default.
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- W2783648687 date "2017-11-21" @default.
- W2783648687 modified "2023-09-24" @default.
- W2783648687 title "Neural circuits for long-range color filling-in" @default.
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- W2783648687 doi "https://doi.org/10.1101/223156" @default.
- W2783648687 hasPublicationYear "2017" @default.
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