The Geometry of Locomotive Behavioral States in C. elegans
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| Authors: | Thomas Gallagher Theresa Bjorness Robert Greene Young-Jai You Leon Avery |
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| Affiliation: | 1. Department of Biochemistry and Molecular Biology, Virginia Commonwealth University, Richmond, Virginia, United States of America.; 2. Department of Psychiatry, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas, United States of America.; 3. Department of Physiology and Biophysics, Virginia Commonwealth University, Richmond, Virginia, United States of America.; Harvard University, United States of America, |
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| Abstract: | ![]()
We develop a new hidden Markov model-based method to analyze C elegans locomotive behavior and use this method to quantitatively characterize behavioral states. In agreement with previous work, we find states corresponding to roaming, dwelling, and quiescence. However, we also find evidence for a continuum of intermediate states. We suggest that roaming, dwelling, and quiescence may best be thought of as extremes which, mixed in any proportion, define the locomotive repertoire of C elegans foraging and feeding behavior. |
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