Phototaxis is a satiety-dependent behavioral sequence in Hydra vulgaris
Soonyoung Kim,
Krishna N. Badhiwala,
Guillaume Duret
et al.
Abstract:Understanding how internal states like satiety are connected to animal behavior is a fundamental question in neuroscience. Hydra vulgaris, a freshwater cnidarian with only twelve neuronal cell types, serves as a tractable model system for studying state-dependent behaviors. We find that starved Hydra consistently move towards light, while fed Hydra do not. By modeling this behavior as a set of three sequences of head orientation, jump distance, and jump rate, we demonstrate that the satiety state only affects … Show more
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