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- W2022271485 abstract "This study sought to identify brain regions that underlie symptom changes in severely affected IBS patients undergoing cognitive therapy (CT). Five healthy controls and 6 Rome II diagnosed IBS patients underwent psychological testing followed by rectal balloon distention while brain neural activity was measured with O-15 water positron emission tomography (PET) before and after a brief regimen of CT. Pre-treatment resting state scans, without distention, were compared to post-treatment scans using statistical parametric mapping (SPM). Neural activity in the parahippocampal gyrus and inferior portion of the right cortex cingulate were reduced in the post-treatment scan, compared to pre-treatment (x, y, z coordinates in MNI standard space were -30, -12, -30, P=0.017; 6, 34, -8, P=0.023, respectively). Blood flow values at these two sites in the controls were intermediate between those in the pre- and post-treatment IBS patients. Limbic activity changes were accompanied by significant improvements in GI symptoms (e.g., pain, bowel dysfunction) and psychological functioning (e.g., anxiety, worry). The left pons (-2, -26, -28, P=0.04) showed decreased neural activity which was correlated with post-treatment anxiety scores. Changes in neural activity of cortical-limbic regions that subserve hypervigilance and emotion regulation may represent biologically oriented change mechanisms that mediate symptom improvement of CT for IBS." @default.
- W2022271485 created "2016-06-24" @default.
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- W2022271485 date "2006-05-01" @default.
- W2022271485 modified "2023-10-12" @default.
- W2022271485 title "Cognitive therapy for irritable bowel syndrome is associated with reduced limbic activity, GI symptoms, and anxiety" @default.
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- W2022271485 doi "https://doi.org/10.1016/j.brat.2005.05.002" @default.
- W2022271485 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/6743496" @default.
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- W2022271485 hasPublicationYear "2006" @default.
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