Focal changes in cerebral blood flow produced by monetary incentive during a mental mathematics task in normal and depressed subjects

The purpose of this experiment was to determine the effect of incentive-induced arousal on the diffuse and regional cerebral blood flow (rCBF) response during cognitive activation for normal and depressed groups. Two normal rest CBF measurements were followed by two mental mathematics activation CBF...

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Veröffentlicht in:Brain and cognition 1984, Vol.3 (1), p.71-85
Hauptverfasser: Warren, Linda R., Butler, Robert W., Katholi, Charles R., McFarland, Carl E., Crews, Eugene L., Halsey, James H.
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container_end_page 85
container_issue 1
container_start_page 71
container_title Brain and cognition
container_volume 3
creator Warren, Linda R.
Butler, Robert W.
Katholi, Charles R.
McFarland, Carl E.
Crews, Eugene L.
Halsey, James H.
description The purpose of this experiment was to determine the effect of incentive-induced arousal on the diffuse and regional cerebral blood flow (rCBF) response during cognitive activation for normal and depressed groups. Two normal rest CBF measurements were followed by two mental mathematics activation CBF measurements. For the first activation measurement, half the subjects in each group were offered monetary incentive for correct performance and half the subjects received no monetary incentive. All subjects were offered monetary incentive on the final activation run. The effect of monetary incentive on the first activation run was to increase CBF activation at four detectors in the left hemisphere. Incentive did not affect the CBF activation response when introduced following practice on the activation task (on the final run). Depressed groups had lower resting blood flow than normals, but the distribution of flow and the CBF response to incentive were almost identical in the two groups.
doi_str_mv 10.1016/0278-2626(84)90008-3
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source MEDLINE; Access via ScienceDirect (Elsevier)
subjects Adult
Aged
Arousal - physiology
Cerebral Cortex - blood supply
Cerebrovascular Circulation
Depressive Disorder - physiopathology
Female
Habituation, Psychophysiologic - physiology
Humans
Male
Mathematics
Middle Aged
Motivation
title Focal changes in cerebral blood flow produced by monetary incentive during a mental mathematics task in normal and depressed subjects
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