Neural responses to a modified Stroop paradigm in patients with complex chronic musculoskeletal pain compared to matched controls: an experimental functional magnetic resonance imaging study

BMC Psychology
Ann M TaylorRichard G Wise

Abstract

Chronic musculoskeletal pain (CMSKP) is attentionally demanding, complex and multi-factorial; neuroimaging research in the population seen in pain clinics is sparse. A better understanding of the neural activity underlying attentional processes to pain related information compared to healthy controls may help inform diagnosis and management in the future. Blood oxygenation level dependent functional magnetic resonance imaging (BOLD fMRI) compared brain responses in patients with CMSKP (n = 15) and healthy controls (n = 14) while completing a modified Stroop task using pain-related, positive-emotional, and neutral control words. Response times in the Stroop task were no different for CMSKP patients compared with controls, but patients were less accurate in their responses to all word types. BOLD fMRI responses during presentation of pain-related words suggested increases in neural activation in patients compared to controls in regions previously reported as being involved in pain perception and emotion: the anterior cingulate cortex, insula and primary and secondary somatosensory cortex. No fMRI differences were seen between groups in response to positive or control words. Using this modified Stroop tasks, specific differences w...Continue Reading

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Citations

Oct 7, 2018·Medicine·Tomoko TetsunagaToshifumi Ozaki
Jan 24, 2019·British Journal of Pain·Daniel E SchothChristina Liossi

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Software Mentioned

FLAME
PRELUDE + FUGUE
FSL
FSL FMRIB
FEATv5
FILM
MCFLIRT
FLIRT
CMSKP
SPSS

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