Collective response to perturbations in a data-driven fish school model
Fish schools are able to display a rich variety of collective states and behavioural responses when they are confronted to threats. However a school's response to perturbations may be different depending on its collective state. Here we use a previously developed data-driven fish school model t...
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| Veröffentlicht in: | arXiv.org 2015-01 |
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| creator | Calovi, Daniel S Lopez, Ugo Schuhmacher, Paul Chaté, Hugues Sire, Clément Theraulaz, Guy |
| description | Fish schools are able to display a rich variety of collective states and behavioural responses when they are confronted to threats. However a school's response to perturbations may be different depending on its collective state. Here we use a previously developed data-driven fish school model to investigate how a single or a small number of perturbing individuals affect the long-term behaviour of a school depending on its collective state. These perturbing fish are characterised by a set of attraction and alignment parameters different from those of the main population. We find that the responsiveness of the school to the perturbation is maximum near the transition region between milling and schooling states where the school exhibits multistability and regularly shifts between these two states. We also find that a significant school's response to a perturbation only happens below a certain threshold of the noise to social interactions ratio. |
| doi_str_mv | 10.48550/arxiv.1409.6430 |
| format | Article |
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| subjects | Fish Noise threshold Physics - Biological Physics Quantitative Biology - Quantitative Methods Social factors |
| title | Collective response to perturbations in a data-driven fish school model |
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