Interaction between chronic and acute pain: down-regulation of motivational value for relief from acute pain

Conclusions These results are the first demonstration of motivational signal in assessing aversive stimuli in healthy subjects, and suggest that unexpected aversive stimuli have similar motivational values as rewarding stimuli. [...]in CBP we show a reversal of the motivational signal only for cessa...

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Bibliographic Details
Published in:NeuroImage (Orlando, Fla.) Fla.), 2009-07, Vol.47, p.S62-S62
Main Authors: Baliki, MN, Apkarian, AV
Format: Article
Language:English
Subjects:
Pain
Perceptions
Online Access:Get full text
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Summary:Conclusions These results are the first demonstration of motivational signal in assessing aversive stimuli in healthy subjects, and suggest that unexpected aversive stimuli have similar motivational values as rewarding stimuli. [...]in CBP we show a reversal of the motivational signal only for cessation of thermal pain, implying a down-regulation of motivation perception in chronic pain patients.
ISSN:1053-8119
1095-9572
DOI:10.1016/S1053-8119(09)70295-2