Cited by 569Neuroscience and Music PerceptionNeural dynamics and brain functionNeurotransmitter Receptor Influence on Behavior

Cortical remodelling induced by activity of ventral tegmental dopamine neurons

Bao, Shaowen, Chan, Vincent T., Merzenich, Michael M.·2001·Nature

Abstract

Representations of sensory stimuli in the cerebral cortex can undergo progressive remodelling according to the behavioural importance of the stimuli. The cortex receives widespread projections from dopamine neurons in the ventral tegmental area (VTA), which are activated by new stimuli or unpredicted rewards, and are believed to provide a reinforcement signal for such learning-related cortical reorganization. In the primary auditory cortex (AI) dopamine release has been observed during auditory learning that remodels the sound-frequency representations. Furthermore, dopamine modulates long-term potentiation, a putative cellular mechanism underlying plasticity. Here we show that stimulating the VTA together with an auditory stimulus of a particular tone increases the cortical area and selectivity of the neural responses to that sound stimulus in AI. Conversely, the AI representations of nearby sound frequencies are selectively decreased. Strong, sharply tuned responses to the paired tones also emerge in a second cortical area, whereas the same stimuli evoke only poor or non-selective responses in this second cortical field in naive animals. In addition, we found that strong long-range coherence of neuronal discharge emerges between AI and this secondary auditory cortical area.

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Crossref · 10.1038/35083586

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  • Prediction error and attentional salience are mediated by separate but interacting neurotransmitter systems, dopamine and acetylcholine.

    “key drivers of earning -prediction error and attentional salience 18 are mediated by separate but interacting neurotransmitter systems (dopamine and acetylcholine) 20,21 .”

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Authors
Bao, S., Chan, V. T., & Merzenich, M. M.
Affiliations
University of California, San Francisco (US)
Corresponding author
Merzenich, Michael M.
Venue
Nature
Published
2001-07-05
Volume
412
Issue
6842
Pages
79-83
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1592304224
Cited by
569
References
31
Citations by year
2026: 9 · 2025: 9 · 2024: 16 · 2023: 12 · 2022: 13 · 2021: 23 · 2020: 9 · 2019: 19 · 2018: 28 · 2017: 27 · 2016: 21 · 2015: 31 · 2014: 27 · 2013: 38 · 2012: 43
FWCI
10.84
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neuroscience and Music Perception
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
Keywords
ventral tegmental area, dopaminergic neurons, primary auditory cortex, auditory learning, long-term potentiation, neuroplasticity
MeSH terms
Acoustic Stimulation, Animals, Cerebral Cortex, Cortical Synchronization, Dopamine, Neuronal Plasticity, Neurons, Ventral Tegmental Area, Rats

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