Home > Neural substrates and circuits of drug addiction.

Feltenstein, Matthew W and See, Ronald E and Fuchs, Rita A (2021) Neural substrates and circuits of drug addiction. Cold Spring Harbor Perspectives in Medicine, 11, (4), a039628. doi: 10.1101/cshperspect.a039628..

External website: https://perspectivesinmedicine.cshlp.org/content/1...

Drug addiction is a chronic relapsing disorder, and a significant amount of research has been devoted to understand the factors that contribute to the development, loss of control, and persistence of compulsive addictive behaviors. In this review, we provide an overview of various theories of addiction to drugs of abuse and the neurobiology involved in elements of the addiction cycle. Specific focus is devoted to the role of the mesolimbic pathway in acute drug reinforcement and occasional drug use, the role of the mesocortical pathway and associated areas (e.g., the dorsal striatum) in escalation/dependence, and the contribution of these pathways and associated circuits to conditioned responses, drug craving, and loss of behavioral control that may underlie drug relapse. By enhancing the understanding of the neurobiological factors that mediate drug addiction, continued preclinical and clinical research will aid in the development of novel therapeutic interventions that can serve as effective long-term treatment strategies for drug-dependent individuals.

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