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The representation of colored objects in macaque color patches

Chang, Le and Bao, Pinglei and Tsao, Doris Y. (2017) The representation of colored objects in macaque color patches. Nature Communications, 8 . Art. No. 2064. ISSN 2041-1723. PMCID PMC5727180. doi:10.1038/s41467-017-01912-7.

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An important question about color vision is how does the brain represent the color of an object? The recent discovery of “color patches” in macaque inferotemporal (IT) cortex, the part of the brain responsible for object recognition, makes this problem experimentally tractable. Here we recorded neurons in three color patches, middle color patch CLC (central lateral color patch), and two anterior color patches ALC (anterior lateral color patch) and AMC (anterior medial color patch), while presenting images of objects systematically varied in hue. We found that all three patches contain high concentrations of hue-selective cells, and that the three patches use distinct computational strategies to represent colored objects: while all three patches multiplex hue and shape information, shape-invariant hue information is much stronger in anterior color patches ALC/AMC than CLC. Furthermore, hue and object shape specifically for primate faces/bodies are over-represented in AMC, but not in the other two patches.

Item Type:Article
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URLURL TypeDescription CentralArticle Paper
Bao, Pinglei0000-0001-6643-2904
Tsao, Doris Y.0000-0003-1083-1919
Additional Information:© 2017 The Author(s). This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit Received: 12 June 2017; Accepted: 24 October 2017; Published online: 12 December 2017. Data availability: The data that support the findings of this study are available from the corresponding author on request. This work was supported by the Howard Hughes Medical Institute, the Tianqiao and Chrissy Chen Institute for Neuroscience at Caltech, and the Swartz Foundation (fellowship to L.C.). We thank Nicole Schweers for technical support, and members of the Tsao lab, Margaret Livingstone, and Simon Kornblith for critical comments. The authors declare no competing financial interests.
Group:Tianqiao and Chrissy Chen Institute for Neuroscience
Funding AgencyGrant Number
Howard Hughes Medical Institute (HHMI)UNSPECIFIED
Tianqiao and Chrissy Chen Institute for NeuroscienceUNSPECIFIED
Swartz FoundationUNSPECIFIED
PubMed Central ID:PMC5727180
Record Number:CaltechAUTHORS:20171212-105049872
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:83826
Deposited By: Tony Diaz
Deposited On:12 Dec 2017 19:08
Last Modified:18 Mar 2022 22:21

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