Elsevier

Neuropsychologia

Volume 32, Issue 2, February 1994, Pages 249-255
Neuropsychologia

Changes in medial cortical blood flow with a stimulus-response compatibility task

https://doi.org/10.1016/0028-3932(94)90010-8Get rights and content

Abstract

Previous work has suggested that human subjects engaged in tasks, like the Stroop task, that require response selection utilize the medical frontal cortex. We used positron emission tomography to measure blood flow changes in a stimulus-response compatibility task designed to maximize the demand on response selection process. We report significant activation in the cingulate sulcus (Brodman's area 32) and a correlation of activity in this region with faster response time for an incongruent stimulus-response task.

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