
J Neuropsychiatry Clin Neurosci 1995; 7:15-22
Copyright © 1995 by American Neuropsychiatric Association
Focal cerebral blood flow change during craving for alcohol measured by SPECT
JG Modell and JM Mountz
Department of Psychiatry, University of Alabama School of Medicine, Birmingham 35294-0018, USA.
To test the hypothesis that craving for alcohol in the alcohol- dependent
individual is mediated by a limbic circuit involving the caudate nuclei,
regional cerebral blood flow was measured with [99mTc]HMPAO SPECT during
control and craving conditions in 9 alcohol- dependent subjects. In all
subjects, blood flow in the head of the right caudate nucleus increased
during the craving condition, and these blood flow increases were strongly
correlated with the experimentally induced increases in craving for
alcohol. These new findings suggest a functional role for the limbic
striatum in the mediation of craving and impaired control over alcohol
consumption.
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