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Neuronal Encoding Drug Choices

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SeminarPast EventNeuroscience

Neuronal encoding of drug choices and preference in the orbitofrontal cortex

Karine Guillem

CNRS, Institut des Maladies Neurodégénératives, Bordeaux, France

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Thursday, December 10, 2020

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Thursday, December 10, 2020

2:00 PM Europe/Zurich

Host: NeuroLeman Network

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NeuroLeman Network

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Abstract

Human neuroimaging research has consistently shown that drug addiction is associated with structural and functional changes within the orbitofrontal cortex (OFC). In view of the important role of the OFC in value-based decision-making, these changes have been hypothesised to bias choice towards drug use despite and at the expense of other competing pursuits, thereby explaining drug addiction. Here I will present in vivo recording data in the OFC supporting this hypothesis in a choice-based model of addiction where rats could choose between two actions, one rewarded by a drug (cocaine or heroin), the other by a nondrug alternative (saccharin).

Topics

choice-based modelcocainedrug addictionfunctional changesheroinin vivo recordingorbitofrontal cortexstructural changesvalue-based decision-making

About the Speaker

Karine Guillem

CNRS, Institut des Maladies Neurodégénératives, Bordeaux, France

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