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

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...

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Bibliographic Details
Published in:Neuropsychologia 1994-02, Vol.32 (2), p.249-255
Main Authors: Taylor, Stephan F., Kornblum, Sylvan, Minoshima, Satoshi, Oliver, Lindsay M., Koeppe, Robert A.
Format: Article
Language:English
Subjects:
Brain - blood supply
Brain - physiology
Color Perception
Functional Laterality - physiology
Humans
Male
Memory - physiology
Photic Stimulation
Reaction Time
Tomography, Emission-Computed
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Summary: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.
ISSN:0028-3932
1873-3514
DOI:10.1016/0028-3932(94)90010-8