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論文 abstract:
現在應該還是電子版。
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Pleasant music overcomes the loss of awareness in patients with visual
neglect.
Soto D, Funes MJ, Guzmán-García A, Warbrick T, Rotshtein P, Humphreys GW.
Division of Neuroscience and Mental Health, Faculty of Medicine,Charing Cross
Hospital, Imperial College London, St. Dunstan's Road, London W6 8RP,
United Kingdom;
During the past 20 years there has been much research into the factors that
modulate awareness of contralesional information in neurological patients
with visual neglect or extinction. However, the potential role of the
individual's emotional state in modulating awareness has been largely
overlooked. In the current study, we induced a pleasant and positive
affective response in patients with chronic visual neglect by allowing them
to listen to their pleasant preferred music. We report that the patients
showed enhanced visual awareness when tasks were performed under preferred
music conditions relative to when tasks were performed either with
unpreferred music or in silence. These results were also replicated when
positive affect was induced before neglect was tested. Functional MRI data
showed enhanced activity in the orbitofrontal cortex and the cingulate gyrus
associated with emotional responses when tasks were performed with preferred
music relative to unpreferred music. Improved awareness of contralesional
(left) targets with preferred music was also associated with a strong
functional coupling between emotional areas and attentional brain regions in
spared areas of the parietal cortex and early visual areas of the right
hemisphere. These findings suggest that positive affect, generated by
preferred music, can decrease visual neglect by increasing attentional
resources. We discuss the possible roles of arousal and mood in generating
these effects.
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