Abstract：
:Demanding tasks can influence following behaviors but the underlying mechanisms remain largely unclear. In the present functional magnetic resonance imaging (fMRI) study, we used multivariate pattern analyses (MVPA) to compare patterns of brain activity associated with pain in response to noxious stimuli administered after a task requiring cognitive control (Stroop) and evaluate their functional interaction based on a mediation analysis model. We found that performing a difficult cognitive task leads to subsequent increases in pain and pain-related multivariate responses across the brain and within the anterior mid-cingulate cortex (aMCC). Moreover, an aMCC pattern predictive of task performance was further reactivated during pain and predicted ensuing increases in pain-related brain responses. This suggests functional interactions between distinct but partly co-localized neural networks underlying executive control and pain. These findings offer a new perspective on the functional role of the cingulate cortex in pain and cognition and provide a promising framework to investigate dynamical interactions between partly overlapping brain networks.
journal_name
Neuroimagejournal_title
NeuroImageauthors
Silvestrini N,Chen JI,Piché M,Roy M,Vachon-Presseau E,Woo CW,Wager TD,Rainville Pdoi
10.1016/j.neuroimage.2020.116898subject
Has Abstractpub_date
2020-08-15 00:00:00pages
116898eissn
1053-8119issn
1095-9572pii
S1053-8119(20)30384-0journal_volume
217pub_type
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