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Cited by 193

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Dopamine Signaling in Dorsal Versus Ventral Striatum: The Dynamic Role of Cholinergic Interneurons

Open access
Threlfell, Sarah, Cragg, Stephanie Jane·2011·Frontiers in Systems Neuroscience

Abstract

Mesostriatal dopaminergic neurons and striatal cholinergic interneurons participate in signaling the motivational significance of environmental stimuli and regulate striatal plasticity. Dopamine (DA) and acetylcholine (ACh) have potent interactions within the striatum at multiple levels that include presynaptic regulation of neurotransmitter release and postsynaptic effects in target cells (including ACh neurons). These interactions may be highly variable given the dynamic changes in the firing activities of parent DA and ACh neurons. Here, we consider how striatal ACh released from cholinergic interneurons acting at both nicotinic and muscarinic ACh receptors powerfully modulates DA transmission. This ACh-DA interaction varies in a manner that depends on the frequency of presynaptic activation, and will thus strongly influence how DA synapses convey discrete changes in DA neuron activity that are known to signal events of motivational salience. Furthermore, this ACh modulation of DA transmission within striatum occurs via different profiles of nicotinic and muscarinic receptors in caudate-putamen compared to nucleus accumbens, which may ultimately enable region-specific targeting of striatal function.

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Metadata

Authors
Threlfell, S., & Cragg, S. J.
Venue
Frontiers in Systems Neuroscience
Published
2011
Volume
5
Pages
11-11
ISSN
1662-5137 (ISSN-L)
OpenAlex
W2006521913
Cited by
193
References
26
FWCI
6.43
Type
journal article
Language
en
Open access
gold

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Threlfell, S., & Cragg, S. J. (2011). Dopamine Signaling in Dorsal Versus Ventral Striatum: The Dynamic Role of Cholinergic Interneurons. Frontiers in Systems Neuroscience. https://doi.org/10.3389/fnsys.2011.00011

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Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.