Neuronal representation of an emotional space in the brain emerged by mimesis words : An fMRI-based study of emotional qualia for laughter and pain-

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  • Osaka Naoyuki
    Department of Psychology, Graduate School of Letters, Kyoto University
  • Osaka Mariko
    Department of Psychology, Osaka University of Foreign Studies

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  • 擬態語により創発される情動空間の脳内表現-fMRIによる笑いと痛みのクオリアの検討-
  • ギタイゴ ニ ヨリ ソウハツサレル ジョウドウ クウカン ノ ノウナイ ヒョウゲン fMRI ニ ヨル ワライ ト イタミ ノ クオリア ノ ケントウ

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Abstract

Visualization of mimesis, an emotion-driven facial expression word, highly suggestive of laughter, heard through the ear, activates both the lingual gyms (LG) of the extrastriate cortex and the premotor (PM) /supplementary motor area (SMA) in the superior frontal gyms while non-mimic words under the same task did not activate these areas. An fMRI-based result suggested human brain involves laughter modules both in the LG (percept of laughing face) and PM/SMA (generation of laughter). Furthermore, pain-implied word activated the anterior cigulate cortex (ACC) which had been reported the area related to cognitive pain. We verified the hypothesis that an activation in the ACC and LG/PM/SMA would be modulated by image formation of specific mimic word implying pain and laughter, respectively. (Japanese Journal of Physiological Psychology and Psychophysiology, 23 (1) : 5-10, 2005.)

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