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Internal state transition to switch behavioral strategies in cricket phonotaxis

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Title: Internal state transition to switch behavioral strategies in cricket phonotaxis
Authors: Hommaru, Naoto Browse this author
Shidara, Hisashi Browse this author
Ando, Noriyasu Browse this author
Ogawa, Hiroto Browse this author →KAKEN DB
Keywords: Gryllus bimaculatus
Approach phase
Local search
Mating behavior
Issue Date: 17-Nov-2020
Publisher: Company of Biologists
Journal Title: Journal of experimental biology
Volume: 223
Issue: 22
Start Page: jeb229732
Publisher DOI: 10.1242/jeb.229732
Abstract: Animals employ multiple behavioral strategies for exploring food and mating partners based on both their internal state and external environment. Here, we examined how cricket phonotaxis, which was considered an innate reactive behavior of females to approach the calling song of conspecific males, depended on these internal and external conditions. Our observation revealed that the phonotaxis process consisted of two distinctive phases: wandering and approaching. In the latter phase, crickets moved directly towards the sound source. The transition into this phase, referred to as the `approach phase', was based on changes in the animal's internal state. Moreover, retention of the approach phase required recognition of the calling song, while song loss downregulated cricket mobility and induced frequent stopping. This is a typical movement in local search behaviors. Our results indicate that phonotaxis is not only a reactive response but a complicated process including multiple behavioral strategies.
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)

Submitter: 小川 宏人

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