Basolateral and central amygdala differentially recruit and maintain dorsolateral striatum-dependent cocaine-seeking habits

Jennifer E. Murray, Aude Belin-Rauscent, Marine Simon, Chiara Giuliano, Marianne Benoit-Marand, Barry J. Everitt () and David Belin ()
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Jennifer E. Murray: University of Cambridge
Aude Belin-Rauscent: Behavioural and Clinical Neuroscience Institute of the University of Cambridge
Marine Simon: Groupe de recherche en psychiatrie
Chiara Giuliano: University of Cambridge
Marianne Benoit-Marand: Laboratoire de Neurosciences Expérimentales et Clinique, INSERM, U1084
Barry J. Everitt: University of Cambridge
David Belin: Behavioural and Clinical Neuroscience Institute of the University of Cambridge

Nature Communications, 2015, vol. 6, issue 1, 1-9

Abstract: Abstract In the development of addiction, drug seeking becomes habitual and controlled by drug-associated cues, and the neural locus of control over behaviour shifts from the ventral to the dorsolateral striatum. The neural mechanisms underlying this functional transition from recreational drug use to drug-seeking habits are unknown. Here we combined functional disconnections and electrophysiological recordings of the amygdalo-striatal networks in rats trained to seek cocaine to demonstrate that functional shifts within the striatum are driven by transitions from the basolateral (BLA) to the central (CeN) amygdala. Thus, while the recruitment of dorsolateral striatum dopamine-dependent control over cocaine seeking is triggered by the BLA, its long-term maintenance depends instead on the CeN. These data demonstrate that limbic cortical areas both tune the function of cognitive territories of the striatum and thereby underpin maladaptive cocaine-seeking habits.

Date: 2015
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DOI: 10.1038/ncomms10088

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