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  • Title: A word expressing affective pain activates the anterior cingulate cortex in the human brain: an fMRI study.
    Author: Osaka N, Osaka M, Morishita M, Kondo H, Fukuyama H.
    Journal: Behav Brain Res; 2004 Aug 12; 153(1):123-7. PubMed ID: 15219713.
    Abstract:
    We present an fMRI study demonstrating that an onomatopoeia word highly suggestive of subjective pain, heard by the ear, significantly activates the anterior cingulate cortex (ACC) while hearing non-sense words that did not imply affective pain under the same task does not activate this area in humans. We concluded that the ACC would be a pivotal locus for perceiving affective pain evoked by an onomatopoeia word that implied affective pain closely associated with the unpleasantness of pain. We suggest that the pain affect sustained by pain unpleasantness may depend on ACC-prefrontal cortical interactions that modify cognitive evaluation of emotions associated with word-induced pain.
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