Evidence map›Paper›PMID 35853563›Full record

ArticleNeuroscience2022

The Arousal-motor Hypothesis of Dopamine Function: Evidence that Dopamine Facilitates Reward Seeking in Part by Maintaining Arousal.

Marcin Kaźmierczak, Saleem M Nicola

Open access · greenAbstract read
In one paragraph

Article in Neuroscience, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.8field-weighted citation impact, top 16% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed, 20 citations in OpenAlex.

  1. Observational
  2. Dopamine Supports Reward Prediction to Shape Reward-Pursuit Strategy.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026
    Article
  3. Dopamine Responses in Medial Frontal Cortex Are More Consistent with a Generalized Arousal Signal Than Signed Reward Prediction Errors.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2026
    Article
  4. Article
  5. Superior Colliculus Projections Drive Dopamine Neuron Activity and Movement But Not Value.The Journal of neuroscience : the official journal of the Society for Neuroscience · 2025
    Article
  6. Article
  7. Article
  8. Article
  9. Review
  10. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors at 1 institution in 1 country.

Marcin KaźmierczakDepartments of Neuroscience and Psychiatry, Albert Einstein College of Medicine, 1300 Morris Park Ave, Forchheimer 111, Bronx, NY 10461, USA.
Saleem M NicolaDepartments of Neuroscience and Psychiatry, Albert Einstein College of Medicine, 1300 Morris Park Ave, Forchheimer 111, Bronx, NY 10461, USA. Electronic address: saleem.nicola@einsteinmed.edu.
Albert Einstein College of Medicine · US

Funding

NUCLEUS ACCUMBENS PROCESSING OF REWARD-PREDICTIVE CUESR01DA019473 · NIDA · ERNEST GALLO CLINIC AND RESEARCH CENTER · PI SALEEM M NICOLA · 2006 to 2026
$8.1M
Cerebellum and AddictionR01DA044761 · NIDA · ALBERT EINSTEIN COLLEGE OF MEDICINE, INC · PI KHODAKHAH, KAMRAN · 2017 to 2021
$3.6M
Neural mechanisms of accumbens-dependent impulsivityR01DA038412 · NIDA · ALBERT EINSTEIN COLLEGE OF MEDICINE, INC · PI NICOLA, SALEEM M · 2014 to 2018
$2.0M
NIDA NIH HHS R01 DA019473NIDA NIH HHS R01 DA038412NIDA NIH HHS R01 DA044761
6 · The paper itself

Abstract

Dopamine facilitates approach to reward via its actions on dopamine receptors in the nucleus accumbens. For example, blocking either D1 or D2 dopamine receptors in the accumbens reduces the proportion of reward-predictive cues to which rats respond with cued approach. Recent evidence indicates that accumbens dopamine also promotes wakefulness and arousal, but the relationship between dopamine's roles in arousal and reward seeking remains unexplored. Here, we show that the ability of systemic or intra-accumbens injections of the D1 antagonist SCH23390 to reduce cued approach to reward depends on the animal's state of arousal. Handling the animal, a manipulation known to increase arousal, was sufficient to reverse the behavioral effects of the antagonist. In addition, SCH23390 reduced spontaneous locomotion and increased time spent in sleep postures, both consistent with reduced arousal, but also increased time spent immobile in postures inconsistent with sleep. In contrast, the ability of the D2 antagonist haloperidol to reduce cued approach was not reversible by handling. Haloperidol reduced spontaneous locomotion but did not increase sleep postures, instead increasing immobility in non-sleep postures. We place these results in the context of the extensive literature on dopamine's contributions to behavior, and propose the arousal-motor hypothesis. This novel synthesis, which proposes that two main functions of dopamine are to promote arousal and facilitate motor behavior, accounts both for our findings and many previous behavioral observations that have led to disparate and conflicting conclusions.

Indexed as

DopamineDopamine AntagonistsAnimalsArousalHaloperidolNucleus AccumbensRatsReceptors, Dopamine D1RewardDopamineDopamine AntagonistsHaloperidolReceptors, Dopamine D1arousalcaffeineconditioned approachNucleus accumbensreward-seeking behaviorsleep

Identifiers

PMID35853563
PMCPMC9479757
OpenAlexW4285606099

What OpenQuestion holds

Textmetadata
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Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.