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Prefrontal-Accumbens Opioid Plasticity: Implications For Relapse And Dependence, Matthew C. Hearing
Prefrontal-Accumbens Opioid Plasticity: Implications For Relapse And Dependence, Matthew C. Hearing
Biomedical Sciences Faculty Research and Publications
In addiction, an individual’s ability to inhibit drug seeking and drug taking is thought to reflect a pathological strengthening of drug-seeking behaviors or impairments in the capacity to control maladaptive behavior. These processes are not mutually exclusive and reflect drug-induced modifications within prefrontal cortical and nucleus accumbens circuits, however unlike psychostimulants such as cocaine, far less is known about the temporal, anatomical, and cellular dynamics of these changes. We discuss what is known regarding opioid-induced adaptations in intrinsic membrane physiology and pre-/postsynaptic neurotransmission in principle pyramidal and medium spiny neurons in the medial prefrontal cortex and nucleus accumbens from electrophysiological …