Decoding Color Responses in Human Visual Cortex

Ichiro KURIKI  Shingo NAKAMURA  Pei SUN  Kenichi UENO  Kazumichi MATSUMIYA  Keiji TANAKA  Satoshi SHIOIRI  Kang CHENG  

Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences   Vol.E94-A   No.2   pp.473-479
Publication Date: 2011/02/01
Online ISSN: 1745-1337
DOI: 10.1587/transfun.E94.A.473
Print ISSN: 0916-8508
Type of Manuscript: INVITED PAPER (Special Section on Image Media Quality)
Category: 
Keyword: 
color,  human vision,  brain,  decoding,  fMRI,  

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Summary: 
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.