Evidence map›Paper›PMID 27644113›Full record

ArticleeLife2016

Resolving coiled shapes reveals new reorientation behaviors in C. elegans.

Onno D Broekmans, Jarlath B Rodgers, William S Ryu, Greg J Stephens

Abstract read
In one paragraph

Article in eLife, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 47 papers.

0numbers the graph read from it
0cells of the map it votes in
47citing papers in PubMed
–field-weighted citation impact
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

47 citing papers in PubMed.

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  5. Automated analysis ofbioRxiv : the preprint server for biology · 2025
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  10. A Markovian dynamics forProceedings of the National Academy of Sciences of the United States of America · 2024
    Article
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  15. Neuromuscular basis ofProceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  16. Fluctuating landscapes and heavy tails in animal behavior.bioRxiv : the preprint server for biology · 2023
    Article
  17. 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

4 authors.

Onno D BroekmansDepartment of Physics and Astronomy, VU University Amsterdam, Amsterdam, The Netherlands.ORCID 0000-0001-8849-7100
Jarlath B RodgersDonnelly Center, University of Toronto, Toronto, Canada.
William S RyuDonnelly Center, University of Toronto, Toronto, Canada.ORCID 0000-0002-0350-7507
Greg J StephensDepartment of Physics and Astronomy, VU University Amsterdam, Amsterdam, The Netherlands.ORCID 0000-0003-3135-3514

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We exploit the reduced space of C. elegans postures to develop a novel tracking algorithm which captures both simple shapes and also self-occluding coils, an important, yet unexplored, component of 2D worm behavior. We apply our algorithm to show that visually complex, coiled sequences are a superposition of two simpler patterns: the body wave dynamics and a head-curvature pulse. We demonstrate the precise Ω-turn dynamics of an escape response and uncover a surprising new dichotomy in spontaneous, large-amplitude coils; deep reorientations occur not only through classical Ω-shaped postures but also through larger postural excitations which we label here as δ-turns. We find that omega and delta turns occur independently, suggesting a distinct triggering mechanism, and are the serpentine analog of a random left-right step. Finally, we show that omega and delta turns occur with approximately equal rates and adapt to food-free conditions on a similar timescale, a simple strategy to avoid navigational bias.

Indexed as

Behavior, AnimalLocomotionAlgorithmsAnimalsCaenorhabditis elegansComputer SimulationModels, BiologicalbehaviorC. eleganscomputational biologyimage analysislow-dimensionalityneurosciencesystems biology

Identifiers

PMID27644113
PMCPMC5030097

What OpenQuestion holds

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LicenceCC BY
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.