Decoding Color Responses in Human Visual Cortex

Special Section on Image Media Quality

GSIS, Tohoku University">Ichiro KURIKI, Shingo NAKAMURA, Pei SUN, Kenichi UENO, GSIS, Tohoku University">Kazumichi MATSUMIYA, Keiji TANAKA, GSIS, Tohoku University">Satoshi SHIOIRI, Kang CHENG

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Keywords: color, human vision, brain, decoding, fMRI

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2011 Volume E94.A Issue 2 Pages 473-479

DOI https://doi.org/10.1587/transfun.E94.A.473

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Abstract

Color percept is a subjective experience and, in general, it is impossible for other people to tell someone's color percept. The present study demonstrated that the simple image-classification analysis of brain activity obtained by a functional magnetic resonance imaging (fMRI) technique enables to tell which of four colors the subject is looking at. Our results also imply that color information is coded by the responses of hue-selective neurons in human brain, not by the combinations of red-green and blue-yellow hue components.

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