Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Toshiki Nagayama"'
Publikováno v:
Biology Open, Vol 7, Iss 5 (2018)
Crayfish swimmerets are paired appendages located on the ventral side of each abdominal segment that show rhythmic beating during forward swimming produced by central pattern generators in most abdominal segments. For animals with multiple body segme
Externí odkaz:
https://doaj.org/article/89f5b01313244400a3ca3775d7cb07c6
Publikováno v:
PLoS ONE, Vol 8, Iss 9, p e74489 (2013)
Using pairings of male crayfish Procambarus clarkii with a 3-7% difference in size, we confirmed that physically larger crayfish were more likely to win encounters (winning probability of over 80%). Despite a physical disadvantage, small winners of t
Externí odkaz:
https://doaj.org/article/feb377e92126406ca294a884fa1e435b
Publikováno v:
Journal of Ethology. 39:47-54
Agonistic encounters of juvenile male crickets were analyzed behaviourally. In a pairing between adult and juvenile male crickets, the juvenile crickets were usually beaten by the adult males of over 3 days after their final moult. Juveniles, by cont
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::031838cb500594099c427c162153189a
https://doi.org/10.1007/s10164-020-00671-1
https://doi.org/10.1007/s10164-020-00671-1
Publikováno v:
Behaviour. 157:575-596
Intraspecific communication is essential for agonistic and mating behaviours. Agonistic strategy of males must change according to the sex of opponents and that of females is also dependent on their physiological state as to whether they are brooding
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9222003809f40828be37888351d75ed
https://doi.org/10.1163/1568539x-bja10014
https://doi.org/10.1163/1568539x-bja10014
Publikováno v:
Journal of Experimental Biology. 224
Aversive learning was applied to affect the phototactic behaviour of the marbled crayfish. Animals initially showed negative phototaxis to white light and positive taxis to blue light. Using an aversive learning paradigm, we investigated the plastici
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df3dcd0a9705dd67fbe6d6b6dc6225bd
https://doi.org/10.1242/jeb.242180
https://doi.org/10.1242/jeb.242180
Autor:
Satomi Kamada, Toshiki Nagayama
Publikováno v:
Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology. 207(4)
When two male crayfish encounter, agonistic bouts are initiated and a winner–loser relationship is established. Larger animals are more likely to win with their physical advantage, but they are frequently beaten by small dominant animals with previ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4655d79e068ebb268d5664887d88c912
https://pubmed.ncbi.nlm.nih.gov/33881581
https://pubmed.ncbi.nlm.nih.gov/33881581
Autor:
Kengo Ibuchi, Toshiki Nagayama
Publikováno v:
The Journal of experimental biology. 224(12)
The effects of dopamine on the agonistic behaviour of crayfish were analysed. When dopamine concentrations of 1 μmol l−1 were injected into large crayfish, individuals were beaten by smaller opponents, despite their physical advantage. Injection o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2de77501b8cc634727c4a74d32c80687
https://pubmed.ncbi.nlm.nih.gov/34128529
https://pubmed.ncbi.nlm.nih.gov/34128529
Autor:
Toshiki Nagayama, Toshiki Abe
Publikováno v:
Journal of comparative physiology. A, Neuroethology, sensory, neural, and behavioral physiology. 207(3)
When crayfish have attained dominant status after agonistic bouts, their avoidance reaction to mechanical stimulation of the tailfan changes from a dart to a turn response. Ascending interneurones originating in the terminal ganglion receive sensory
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7c1c74621b371976f4edcef67c3f7ba6
https://pubmed.ncbi.nlm.nih.gov/33772639
https://pubmed.ncbi.nlm.nih.gov/33772639
Publikováno v:
Animal Behaviour. 141:1-7
Response patterns and underlying neural mechanisms of adaptive behaviours may be similar in different taxa. Among closely related species, this similarity may depend on shared innate motor programs. To test this hypothesis, we analysed the responses
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d14156ba1a6489eb3986c2a585beaaeb
https://doi.org/10.1016/j.anbehav.2018.05.003
https://doi.org/10.1016/j.anbehav.2018.05.003
Autor:
Toshiki Nagayama, Hitoshi Aonuma, Yuto Momohara, Kyosuke Shiraishi, Nanoka Suzuki, Chihiro Shiratori
Publikováno v:
European Journal of Neuroscience. 46:1863-1874
Phototactic behaviours are observed from prokaryotes to amphibians and are a basic form of orientation. We showed that the marbled crayfish displays phototaxis in which the behavioural response reversed from negative to positive depending on external
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e4604c770ee1f22e2b9dd312553f869
https://doi.org/10.1111/ejn.13632
https://doi.org/10.1111/ejn.13632