Cited by 285Neurotransmitter Receptor Influence on BehaviorNeural and Behavioral Psychology StudiesNeuroscience and Neuropharmacology Research

How visual stimuli activate dopaminergic neurons at short latency

Dommett, Eleanor, Coizet, Véronique, Blaha, Charles D., Martindale, John, Lefebvre, Véronique, Walton, Natalie, Mayhew, John E. W., Overton, Paul G. +1 more·2005·Science

Abstract

Unexpected, biologically salient stimuli elicit a short-latency, phasic response in midbrain dopaminergic (DA) neurons. Although this signal is important for reinforcement learning, the information it conveys to forebrain target structures remains uncertain. One way to decode the phasic DA signal would be to determine the perceptual properties of sensory inputs to DA neurons. After local disinhibition of the superior colliculus in anesthetized rats, DA neurons became visually responsive, whereas disinhibition of the visual cortex was ineffective. As the primary source of visual afferents, the limited processing capacities of the colliculus may constrain the visual information content of phasic DA responses.

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Crossref · 10.1126/science.1107026

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  • It is unclear how NAc dopamine release encodes the properties and/or emotional valence of arousing visual stimuli, such as visual threats.

    “While many previous studies have reported phasic firing of dopaminergic neurons in response to light flashes in laboratory animals (Horvitz et al., 1997; Comoli et al., 2003; Dommett et al., 2005), it is unclear how NAc dopamine release encodes the properties and/or emotional valence of arousing visual stimuli, such as visual threats.”

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Authors
Dommett, E., Coizet, V., Blaha, C. D., Martindale, J., Lefebvre, V., Walton, N., Mayhew, J. E. W., Overton, P. G., & Redgrave, P.
Affiliations
  • University of Sheffield (GB)
  • Department of Psychology, University of Sheffield, Sheffield, S10 2TP, UK.
Corresponding author
  • Dommett, Eleanor
  • Blaha, Charles D.
  • Redgrave, Peter
Venue
Science
Published
2005-03-04
Volume
307
Issue
5714
Pages
1476-1479
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W1998893768
Cited by
285
References
25
Citations by year
2026: 6 · 2025: 8 · 2024: 6 · 2023: 10 · 2022: 2 · 2021: 8 · 2020: 8 · 2019: 16 · 2018: 9 · 2017: 9 · 2016: 14 · 2015: 11 · 2014: 16 · 2013: 23 · 2012: 18
FWCI
6.51
Type
journal article
Language
en
Open access
closed
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • HAL (submittedVersion)
  • Research Portal (King's College London) (submittedVersion)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
dopaminergic neurons, superior colliculus, visual stimuli, disinhibition, visual cortex, midbrain, reinforcement learning, salient stimuli
MeSH terms
Animals, Bicuculline, Dopamine, Electrochemistry, Evoked Potentials, Visual, Habituation, Psychophysiologic, Neural Inhibition, Neurons, Photic Stimulation, Reaction Time, Reinforcement, Psychology, Reward, Substantia Nigra, Superior Colliculi, Visual Cortex, Visual Pathways, Neostriatum, Ventral Tegmental Area, Rats

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