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Dresden 2017 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 49: Networks: From Topology to Dynamics (joint session DY/ BP/SOE)

DY 49.5: Vortrag

Donnerstag, 23. März 2017, 16:00–16:15, ZEU 147

Complex Contagion and Coordinated Response in Animal Groups — •Winnie Poel1,6, Bryan Daniels3, Colin Twomey2, Iain Couzin4,5, and Pawel Romanczuk1,61Inst. of Theor. Biol., Dept. of Biol., Humboldt Universität zu Berlin — 2Dept. of Ecology and Evolutionary Biol., Princeton University, Princeton, US — 3ASU-SFI Center for Biosocial Complex Systems, Arizona State University, US — 4Dept. of Collective Behaviour, MPI for Ornithology, Konstanz, Germany — 5Dept. of Biology, University of Konstanz, Germany — 6Bernstein Center for Computational Neuroscience Berlin, Germany

Our work focuses on the underlying communication network in animal swarms that enables coordinated movement and collective information processing in large groups while taking into account the limited attention and cognitive ability of each individual. Here, we study the influence of network structure on processes of behavioral complex contagion in fish groups. Specifically, we investigate the spreading of startling behavior in golden shiners on empirically inferred networks built on their individual visual perception of neighbors [1]. Using a simple adapted SIR model [2] we aim to uncover how the spatial configuration of a swarm (and thus its visual interaction network) aid to amplify or dampen out the information send out by a certain individual.

[1] Rosenthal, S., et al., PNAS 112.15 (2015): 4690-4695

[2] Dodds, P., et al., J. Theor. Biol. 232.4 (2005): 587-604

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