Cited by 166Neural dynamics and brain functionVisual perception and processing mechanismsZebrafish Biomedical Research Applications

The DOI matches its Crossref record; 63 of the 63 references it cites were found in a registry or an index.

Neural circuits for evidence accumulation and decision making in larval zebrafish

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Bahl, Armin, Engert, Florian·2020·Nature Neuroscience

Abstract

To make appropriate decisions, animals need to accumulate sensory evidence. Simple integrator models can explain many aspects of such behavior, but how the underlying computations are mechanistically implemented in the brain remains poorly understood. Here we approach this problem by adapting the random-dot motion discrimination paradigm, classically used in primate studies, to larval zebrafish. Using their innate optomotor response as a measure of decision making, we find that larval zebrafish accumulate and remember motion evidence over many seconds and that the behavior is in close agreement with a bounded leaky integrator model. Through the use of brain-wide functional imaging, we identify three neuronal clusters in the anterior hindbrain that are well suited to execute the underlying computations. By relating the dynamics within these structures to individual behavioral choices, we propose a biophysically plausible circuit arrangement in which an evidence integrator competes against a dynamic decision threshold to activate a downstream motor command.

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Metadata

Authors
Bahl, A., & Engert, F.
Affiliations
Harvard University (US)
Corresponding author
Bahl, Armin
Venue
Nature Neuroscience
Published
2019-12-02
Volume
23
Issue
1
Pages
94-102
ISSN
  • 1097-6256 (ISSN-L)
  • 1546-1726
OpenAlex
W2991987583
Cited by
166
References
61
Citations by year
2026: 28 · 2025: 31 · 2024: 28 · 2023: 22 · 2022: 15 · 2021: 30 · 2020: 11
FWCI
8.29
Type
journal article
Language
en
Open access
Locations
  • Nature Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • KOPS (University of Konstanz) (submittedVersion)
Funders
Human Frontier Science Program (LT000626/2016)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural dynamics and brain function
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Cell Biology › Zebrafish Biomedical Research Applications
Keywords
evidence accumulation, decision-making, zebrafish larvae, optomotor response, decision threshold, motor command, neural circuits
MeSH terms
Animals, Brain, Decision Making, Larva, Models, Neurological, Neural Pathways, Neurons, Zebrafish

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