Cited by 355Neurotransmitter Receptor Influence on BehaviorMemory and Neural MechanismsNeural and Behavioral Psychology Studies

Involvement of the central nucleus of the amygdala and nucleus accumbens core in mediating Pavlovian influences on instrumental behaviour

Hall, Jeremy, Parkinson, John A., Connor, Thomas M., Dickinson, Anthony, Everitt, Barry J.·2001·European Journal of Neuroscience

Abstract

Pavlovian conditioned cues exert a powerful influence on instrumental actions directed towards a common reward, this is known as Pavlovian-to-instrumental transfer (PIT). The nucleus accumbens (NAcc) has been hypothesized to function as an interface between limbic cortical structures required for associative conditioning, like the amygdala, and response mechanisms through which instrumental behaviour can be selected and performed. Here we have used selective excitotoxic lesions to investigate the involvement of subnuclei of the amygdala as well as the core and shell regions of the nucleus accumbens on PIT in rats. Within the amygdala, selective lesions of the central nucleus (CeN), but not of the basolateral nucleus (BLA), abolished the PIT effect. In addition, selective lesions of the NAcc core, but not the NAcc shell, also abolished PIT. None of the lesions impaired the acquisition of Pavlovian food cup approaches or instrumental responding itself. These data demonstrate that the CeN and NAcc core are central components of the neural system mediating the impact of Pavlovian cues on instrumental responding. We suggest that this effect may depend upon the regulation of the dopaminergic innervation of the NAcc core by projections from the CeN to the ventral tegmental area.

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Crossref · 10.1046/j.0953-816x.2001.01577.x

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  • Selective excitotoxic lesions of the medial shell did not disrupt Pavlovian procedural learning in which approach responses were elicited by the presentation of conditioned stimuli paired with food.

    “Selective excitotoxic lesions of the medial shell did not disrupt Pavlovian procedural learning in which approach responses were elicited by the presentation of conditioned stimuli paired with food (Parkinson et al., 2000; Corbit et al., 2001; Hall et al., 2001).”

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Authors
Hall, J., Parkinson, J. A., Connor, T. M., Dickinson, A., & Everitt, B. J.
Affiliations
University of Cambridge (GB)
Corresponding author
Everitt, Barry J.
Venue
European Journal of Neuroscience
Publisher
Wiley
Published
2001-05
Volume
13
Issue
10
Pages
1984-1992
ISSN
  • 0953-816X (ISSN-L)
  • 1460-9568
OpenAlex
W1975561822
Cited by
355
References
59
Citations by year
2026: 1 · 2025: 4 · 2024: 5 · 2023: 3 · 2022: 6 · 2021: 9 · 2020: 15 · 2019: 11 · 2018: 7 · 2017: 10 · 2016: 14 · 2015: 17 · 2014: 13 · 2013: 21 · 2012: 22
FWCI
6.75
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Medical Research Council
  • Trinity College, University of Cambridge
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
Keywords
Pavlovian-to-instrumental transfer, central amygdala, nucleus accumbens core, nucleus accumbens shell, basolateral amygdala, instrumental responding, excitotoxic lesions, dopaminergic innervation, ventral tegmental area
MeSH terms
Amygdala, Animals, Behavior, Animal, Brain Mapping, Conditioning, Classical, Male, Neurotoxins, Nucleus Accumbens, Rats, Inbred Strains, Rats

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