Duncan S Mearns

ORCID: 0000-0002-3817-1919
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About
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Research Areas
  • Zebrafish Biomedical Research Applications
  • Fish biology, ecology, and behavior
  • Retinal Development and Disorders
  • Amphibian and Reptile Biology
  • Neural dynamics and brain function
  • Animal Behavior and Reproduction
  • Advanced Fluorescence Microscopy Techniques
  • Animal Vocal Communication and Behavior
  • Neuroscience and Neuropharmacology Research
  • Wildlife Ecology and Conservation
  • Animal Behavior and Welfare Studies
  • Olfactory and Sensory Function Studies
  • Fish Ecology and Management Studies

Max Planck Institute for Biological Intelligence
2023-2025

Max Planck Institute for Intelligent Systems
2025

Neuroscience Institute
2025

Princeton University
2023-2024

University of Konstanz
2024

Max Planck Institute of Biochemistry
2023

Max Planck Institute of Neurobiology
2019-2020

Institute of Neurobiology
2020

Retinal axon projections form a map of the visual environment in tectum. A zebrafish larva typically detects prey object its peripheral field. As it turns and swims towards prey, stimulus enters central, binocular area, seemingly expands size. By volumetric calcium imaging, we show that posterior tectal neurons, which serve to detect at distance, tend respond small objects intrinsically compute their direction movement. Neurons anterior tectum, where image is represented shortly before...

10.7554/elife.58596 article EN cc-by eLife 2020-10-12

Animal behavior is adapted to the sensory environment in which it evolved, while also being constrained by physical limits, evolutionary history, and developmental trajectories. The hunting of larval zebrafish ( Danio rerio ), a cyprinid native streams Eastern India, has been well characterized. However, unknown if complement sequence movements employed during prey capture universal across freshwater teleosts. Here, we explore syntax fish belonging clade Percomorpha , whose last common...

10.7554/elife.98347.2 preprint EN 2025-02-10

Animal behavior is adapted to the sensory environment in which it evolved, while also being constrained by physical limits, evolutionary history, and developmental trajectories. The hunting of larval zebrafish ( Danio rerio ), a cyprinid native streams Eastern India, has been well characterized. However, unknown if complement sequence movements employed during prey capture universal across freshwater teleosts. Here, we explore syntax fish belonging clade Percomorpha , whose last common...

10.7554/elife.98347.1 preprint EN 2024-07-22

Summary Animal behavior is adapted to the sensory environment in which it evolved, while also being constrained by physical limits, evolutionary history, and developmental trajectories. The hunting of larval zebrafish ( Danio rerio ), a cyprinid native streams Eastern India, has been well characterized. However, unknown if complement sequence movements employed during prey capture universal across freshwater teleosts. Here, we explore syntax fish belonging clade Percomorpha , whose last...

10.1101/2023.10.03.560453 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2023-10-04

Visual objects naturally compete for the brain’s attention, and selecting just one of them a behavioural response is often crucial animal’s survival 1 . The neural correlate such stimulus prioritisation might take form saliency map by which responses to target are enhanced relative distractors in other parts visual field 2 Single-cell consistent with this type computation have been observed tectum primates, birds, turtles lamprey 2–7 However, exact circuit implementation has remained...

10.1101/598383 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2019-04-04

Abstract Animals build behavioral sequences out of simple stereotyped actions. A comprehensive characterization these actions and the rules underlying their temporal organization is necessary to understand sensorimotor transformations performed by brain. Here, we use unsupervised methods study in zebrafish larvae. Generating a map swim bouts, reveal that fish modulate tail movements along continuum. We cluster bouts share common kinematic features contribute similar into seven modules....

10.1101/656959 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2019-05-31

Animal behavior is adapted to the sensory environment in which it evolved, while also being constrained by physical limits, evolutionary history, and developmental trajectories. The hunting of larval zebrafish ( Danio rerio ), a cyprinid native streams Eastern India, has been well characterized. However, unknown if complement sequence movements employed during prey capture universal across freshwater teleosts. Here, we explore syntax fish belonging clade Percomorpha , whose last common...

10.7554/elife.98347 preprint EN 2024-07-22
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