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Updated: Mar 9, 2026
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Age-dependent Dynamics of Locomotion in Caenorhabditis elegans: A Lyapunov Exponent Analysis
Published on: September 23, 2025
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Spatiotemporal Feedback and Network Structure Drive and Encode Caenorhabditis elegans Locomotion.
James M Kunert1, Joshua L Proctor2, Steven L Brunton3
1Department of Physics, University of Washington, Seattle, Washington, United States of America.
Plos Computational Biology
|January 12, 2017
Summary
Proprioceptive feedback is essential for sustained responses in Caenorhabditis elegans locomotion. The neural network
Area of Science:
- Computational neuroscience
- Systems neuroscience
- Biophysics
Background:
- Locomotion in Caenorhabditis elegans is driven by proprioception.
- Biophysical evidence for a central pattern generator is lacking.
Purpose of the Study:
- To investigate the role of proprioceptive feedback in C. elegans network dynamics.
- To understand how connectomic structure encodes behavioral modes.
Main Methods:
- Computational modeling of C. elegans connectome dynamics.
- Dynamic Mode Decomposition (DMD) to analyze network structure.
- Analysis of network degree distribution and connectivity.
Main Results:
- Proprioceptive feedback is necessary for sustained dynamic responses to external stimuli.
- Network response is optimized by specific spatial wavelengths.
- Motor subcircuits regulate the proprioceptive response.
- Nonlinear network dynamics encode six clusters of dynamic modes, including locomotion modes.
- Behavioral timescales are encoded by network degree distribution and connectivity.
Conclusions:
- Connectome connectivity partially encodes behavioral dynamics.
- Proprioceptive control of locomotion is facilitated by the network's structure.
