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26 March 2015 Biologically inspired robots elicit a robust fear response in zebrafish
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We investigate the behavioral response of zebrafish to three fear-evoking stimuli. In a binary choice test, zebrafish are exposed to a live allopatric predator, a biologically-inspired robot, and a computer-animated image of the live predator. A target tracking algorithm is developed to score zebrafish behavior. Unlike computer-animated images, the robotic and live predator elicit a robust avoidance response. Importantly, the robotic stimulus elicits more consistent inter-individual responses than the live predator. Results from this effort are expected to aid in hypothesis-driven studies on zebrafish fear response, by offering a valuable approach to maximize data-throughput and minimize animal subjects.
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Fabrizio Ladu, Tiziana Bartolini, Sarah G. Panitz, Sachit Butail, Simone Macrì, and Maurizio Porfiri "Biologically inspired robots elicit a robust fear response in zebrafish", Proc. SPIE 9429, Bioinspiration, Biomimetics, and Bioreplication 2015, 94290Q (26 March 2015);

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