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Layout symmetry facilitates spatial learning in the house cricket, Acheta domesticus, in the absence of visual cues

View ORCID ProfileBartosz Baran, View ORCID ProfileMichał Krzyżowski, View ORCID ProfileZoltán Rádai, View ORCID ProfileJacek Francikowski, View ORCID ProfileMateusz Hohol
doi: https://doi.org/10.1101/2019.12.28.886655
Bartosz Baran
1University of Silesia in Katowice, Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, Bankowa 9, 40-007 Katowice, Poland
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  • For correspondence: bartosz.m.baran@gmail.com
Michał Krzyżowski
1University of Silesia in Katowice, Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, Bankowa 9, 40-007 Katowice, Poland
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Zoltán Rádai
2University of Debrecen, Department of Evolutionary Zoology and Human Biology, Egyetemtér 1, H-4032 Debrecen, Hungary
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Jacek Francikowski
1University of Silesia in Katowice, Faculty of Natural Sciences, Institute of Biology, Biotechnology and Environmental Protection, Bankowa 9, 40-007 Katowice, Poland
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Mateusz Hohol
3Jagiellonian University, Copernicus Center for Interdisciplinary Studies, Kopernika 27, 31-501 Krakow, Poland
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  • For correspondence: mateusz.hohol@uj.edu.pl
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Abstract

There is heavy debate about the mechanisms of spatial navigation by insects. Researchers tend to focus mainly on vision-based models, neglecting non-visual modalities. The capacity to navigate by layout symmetry has been reported in vertebrates. Nevertheless, there has been no direct evidence for such an ability in insects, especially regarding center finding. To provide novel insight into the ongoing debate, we developed a non-visual paradigm for testing navigation by layout geometry. We tested the house crickets to find a cool spot positioned centrally in heated arenas of different shapes. We found that the symmetry of the arena significantly facilitates how crickets learn to find the center of the arena, both in terms of time spent on the cool spot and the latency of locating it. Because there were no visual cues, this observation challenges visiocentric models. As alternatives, we discuss the possibility of non-visual space representation, or non-spatial search strategy.

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Posted January 05, 2020.
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Layout symmetry facilitates spatial learning in the house cricket, Acheta domesticus, in the absence of visual cues
Bartosz Baran, Michał Krzyżowski, Zoltán Rádai, Jacek Francikowski, Mateusz Hohol
bioRxiv 2019.12.28.886655; doi: https://doi.org/10.1101/2019.12.28.886655
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Layout symmetry facilitates spatial learning in the house cricket, Acheta domesticus, in the absence of visual cues
Bartosz Baran, Michał Krzyżowski, Zoltán Rádai, Jacek Francikowski, Mateusz Hohol
bioRxiv 2019.12.28.886655; doi: https://doi.org/10.1101/2019.12.28.886655

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