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Title: Color harmony represented by activity in the medial orbitofrontal cortex and amygdala
Authors: Ikeda, Takashi
Matsuyoshi, Daisuke
Sawamoto, Nobukatsu  kyouindb  KAKEN_id
Fukuyama, Hidenao
Osaka, Naoyuki
Author's alias: 澤本, 伸克
Keywords: color harmony
fMRI
neuroesthetics
orbitofrontal cortex
amygdala
insula
Issue Date: 1-Jul-2015
Publisher: Frontiers
Journal title: Frontiers in Human Neuroscience
Volume: 9
Thesis number: 382
Abstract: Observing paired colors with a different hue (in terms of chroma and lightness) engenders pleasantness from such harmonious combinations; however, negative reactions can emerge from disharmonious combinations. Currently, neural mechanisms underlying the esthetic and emotional aspects of color perception remain unknown. The current study reports evidence regarding the neural correlates of color harmony and disharmony. Functional magnetic resonance imaging was used to assess brain regions activated by harmonious or disharmonious color combinations in comparison to other stimuli. Results showed that the left medial orbitofrontal cortex (mOFC) and left amygdala were activated when participants observed harmonious and disharmonious stimuli, respectively. Taken together, these findings suggest that color disharmony may depend on stimulus properties and more automatic neural processes mediated by the amygdala, whereas color harmony is harder to discriminate based on color characteristics and is reflected by the esthetic value represented in the mOFC. This study has a limitation that we could not exclude the effect of preference for color combination, which has a strong positive correlation with color harmony.
Rights: © 2015 Ikeda, Matsuyoshi, Sawamoto, Fukuyama and Osaka. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
URI: http://hdl.handle.net/2433/214297
DOI(Published Version): 10.3389/fnhum.2015.00382
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