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Trade-off between motor performance and behavioural flexibility in the action selection of cricket escape behaviour

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Title: Trade-off between motor performance and behavioural flexibility in the action selection of cricket escape behaviour
Authors: Sato, Nodoka Browse this author
Shidara, Hisashi Browse this author
Ogawa, Hiroto Browse this author →KAKEN DB
Issue Date: 2-Dec-2019
Publisher: Nature Publishing Group
Journal Title: Scientific reports
Volume: 9
Start Page: 18112
Publisher DOI: 10.1038/s41598-019-54555-7
Abstract: To survive a predator's attack successfully, animals choose appropriate actions from multiple escape responses. The motor performance of escape response governs successful survival, which implies that the action selection in escape behaviour is based on the trade-off between competing behavioural benefits. Thus, quantitative assessment of motor performance will shed light on the biological basis of decision-making. To explore the trade-off underlying the action selection, we focused on two distinct wind-elicited escape responses of crickets, running and jumping. We first hypothesized a trade-off between speed and directional accuracy. This hypothesis was rejected because crickets could control the escape direction in jumping as precisely as in running; further, jumping had advantages with regard to escape speed. Next, we assumed behavioural flexibility, including responsiveness to additional predator's attacks, as a benefit of running. The double stimulus experiment revealed that crickets running in the first response could respond more frequently to a second stimulus and control the movement direction more precisely compared to when they chose jumping for the first response. These data suggest that not only the motor performance but also the future adaptability of subsequent behaviours are considered as behavioural benefits, which may be used for choosing appropriate escape reactions.
Type: article
Appears in Collections:理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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