Shared behavioral mechanisms underlie C. elegans aggregation and swarming

Siyu Serena Ding, Linus J Schumacher, Avelino E Javer, Robert G Endres & André Brown
In complex biological systems, simple individual-level behavioral rules can give rise to emergent group-level behavior. While collective behavior has been well studied in cells and larger organisms, the mesoscopic scale is less understood, as it is unclear which sensory inputs and physical processes matter a priori. Here, we investigate collective feeding in the roundworm C. elegans at this intermediate scale, using quantitative phenotyping and agent-based modeling to identify behavioral rules underlying both aggregation and swarming—a...
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