Cited by 138Neurotransmitter Receptor Influence on BehaviorNeuroscience and Neuropharmacology ResearchNeurobiology and Insect Physiology Research

Transient inhibition and long-term facilitation of locomotion by phasic optogenetic activation of serotonin neurons

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Correia, Patrícia A, Lottem, Eran, Banerjee, Dhruba, Machado, Ana S, Carey, Megan R, Mainen, Zachary F·2017·eLife

Abstract

Serotonin (5-HT) is associated with mood and motivation but the function of endogenous 5-HT remains controversial. Here, we studied the impact of phasic optogenetic activation of 5-HT neurons in mice over time scales from seconds to weeks. We found that activating dorsal raphe nucleus (DRN) 5-HT neurons induced a strong suppression of spontaneous locomotor behavior in the open field with rapid kinetics (onset ≤1 s). Inhibition of locomotion was independent of measures of anxiety or motor impairment and could be overcome by strong motivational drive. Repetitive place-contingent pairing of activation caused neither place preference nor aversion. However, repeated 15 min daily stimulation caused a persistent increase in spontaneous locomotion to emerge over three weeks. These results show that 5-HT transients have strong and opposing short and long-term effects on motor behavior that appear to arise from effects on the underlying factors that motivate actions.

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  • Recent studies on acute activation of DR serotonin neurons have reported divergent findings, including reinforcement, promotion of waiting for delayed reward, promotion of anxiety-like behaviors and suppression of locomotion, and suppression of locomotion without effects on reinforcement or anxiety-like behaviors.

    “recent studies on the effects of acute activation of DR serotonin neurons have reported divergent findings, including reinforcement (Liu et al., 2014), promotion of waiting for delayed reward rather than reinforcement (Fonseca et al., 2015; Miyazaki et al., 2012), promotion of anxiety-like behaviors and suppression of locomotion (Teissier et al., 2015; Urban et al., 2016), and suppression of locom”

    From Anatomically defined and functionally distinct dorsal raphe serotonin sub-systems (2018) · cites this paper as Correia et al., 2017

  • The DR serotonin system negatively regulates locomotion.

    “The DR serotonin system has been consistently shown to negatively regulate locomotion (Correia et al., 2017; Teissier et al., 2015; Whitney et al., 2016).”

    From Anatomically defined and functionally distinct dorsal raphe serotonin sub-systems (2018) · cites this paper as Correia et al., 2017

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  1. Correia PA Lottem E Banerjee D Machado AS Carey MR Mainen ZF 2016 Data from: Transient inhibition and long-term facilitation of locomotion by phasic optogenetic activation of serotonin neurons Dryad Digital Repository 10.5061/dryad.bn1gf PMC5308893 28193320 · DOI

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Authors
Correia, P. A., Lottem, E., Banerjee, D., Machado, A. S., Carey, M. R., & Mainen, Z. F.
Affiliations
  • Champalimaud Neuroscience Program, Champalimaud Centre for the Unknown, Lisbon, Portugal
  • Champalimaud Foundation (PT)
Corresponding author
Mainen, Zachary F
Venue
eLife
Published
2017-02-14
Volume
6
ISSN
2050-084X (ISSN-L)
OpenAlex
W2587959010
Cited by
138
References
92
Citations by year
2026: 11 · 2025: 17 · 2024: 13 · 2023: 6 · 2022: 11 · 2021: 15 · 2020: 22 · 2019: 18 · 2018: 13 · 2017: 11
FWCI
8.50
Type
journal article
Language
en
Open access
Locations
  • eLife (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Portuguese National Funding Agency for Science, Research and Technology (RCAAP Project by FCT) (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Fundação para a Ciência e Tecnologia (SFRH / BD / 33277 / 2007, SFRH/BD/51210/2010)
  • Human Frontier Science Program (LT000881/2011L)
  • Howard Hughes Medical Institute (International Early Career Scientist)
  • European Research Council (Starting Investigator Grant 640093, Advanced Investigator Grant 250334, Advanced Investigator Grant 671251)
  • Champalimaud Foundation
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurobiology and Insect Physiology Research
Keywords
serotonin, dorsal raphe nucleus, locomotion, optogenetic stimulation, transient inhibition, long-term facilitation, motivation, spontaneous behavior, place preference, aversion
MeSH terms
Animals, Anxiety, Locomotion, Motivation, Neural Inhibition, Neurons, Serotonin, Serotonin Receptor Agonists, Mice, Optogenetics, Dorsal Raphe Nucleus

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