Cortical Gray Matter Volumes are Associated with Subjective Responses to Cocaine Infusion

We analyzed the relationship between cocaine-induced euphoria and measures of frontal and temporal gray matter volumes in eleven cocaine-dependent (CD) patients who underwent magnetic resonance imaging (MRI). Self-reported ratings of the intensity of euphoric response to cocaine infusion were obtain...

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Veröffentlicht in:The American journal on addictions 2004-01, Vol.13 (1), p.64-73
Hauptverfasser: Bartzokis, George, Beckson, Mace, Lu, Po H., Edwards, Nancy, Rapoport, Ruth, Bridge, Peter, Mintz, Jim
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container_end_page 73
container_issue 1
container_start_page 64
container_title The American journal on addictions
container_volume 13
creator Bartzokis, George
Beckson, Mace
Lu, Po H.
Edwards, Nancy
Rapoport, Ruth
Bridge, Peter
Mintz, Jim
description We analyzed the relationship between cocaine-induced euphoria and measures of frontal and temporal gray matter volumes in eleven cocaine-dependent (CD) patients who underwent magnetic resonance imaging (MRI). Self-reported ratings of the intensity of euphoric response to cocaine infusion were obtained from the CD subjects at 3, 10, and 30 minutes after cocaine infusion. Significant positive correlation between frontal and temporal cortical gray matter volume and the intensity of euphoria was observed at 10 minutes after IV cocaine. The data suggest that frontal and temporal lobe gray matter volume is associated with some of the reinforcing effects of cocaine. Given the well-established negative linear relationship between cortical gray matter volume and age, cortical gray matter volume may be a marker for the neurobiological substrate of the age-related reduction in addiction rates. (Am J Addict 2004;13:64-73)
doi_str_mv 10.1080/10550490490265352
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source MEDLINE; Access via Wiley Online Library; Taylor & Francis:Master (3349 titles)
subjects Adult
Cerebral Cortex - anatomy & histology
Cerebral Cortex - pathology
Cocaine - administration & dosage
Cocaine - pharmacology
Cocaine-Related Disorders
Dopamine Uptake Inhibitors - administration & dosage
Dopamine Uptake Inhibitors - pharmacology
Euphoria - drug effects
Euphoria - physiology
Female
Humans
Infusions, Intravenous
Magnetic Resonance Imaging
Male
Middle Aged
title Cortical Gray Matter Volumes are Associated with Subjective Responses to Cocaine Infusion
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