Journal
NEUROPHARMACOLOGY
Volume 47, Issue -, Pages 190-201Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.neuropharm.2004.07.012
Keywords
nucleus accumbens; ventral tegmental area; dopamine; reinforcement; intracranial self-administration
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Funding
- NATIONAL INSTITUTE ON DRUG ABUSE [Z01DA000439, ZIADA000439] Funding Source: NIH RePORTER
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Addictive drugs are thought to activate brain circuitry that normally mediates more natural rewards such as food or water. Drugs activate this circuitry at synaptic junctions within the brain; identifying the junctions at which this occurs provides clues to the neurochemical and anatomical characteristics of the circuitry. One approach to identifying the junctions at which drugs interact with this circuitry is to determine if animals will lever-press for site-specific microinjections of addictive drugs. This approach has identified GABAergic, dopaminergic, glutamatergic, and cholinergic trigger zones within meso-corticolimbic circuitry important for natural reward function. Published by Elsevier Ltd.
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