Autonomous learning in maze solution by Octopus

Tohru Moriyama, Yukio Pegio Gunji

研究成果: Article査読

28 被引用数 (Scopus)

抄録

We tested seven octopuses, Octopus vulgaris, in maze learning experiments. They tried to reach the goal, so as to get a reward, by using various locomotory actions in the path, and sometimes encountered obstacles. They came to select efficient swimming actions in the path; afterwards less efficient tactile actions (crawling, staying put, and so on: these reduce the speed of movement gradually increased, while time to detour around the obstacle was reduced. To investigate whether octopuses reduce time spent detouring around obstacles by estimating their actions in the path, we devised a trade off situation in which octopuses were obliged to use tactile actions even though the set-up also encourage them to use swimming actions. As a result, we could observe that they reduced the detouring time. In that way, we experimentally constituted a perspective as if octopuses looked around the whole maze and estimated their actions. Such a perspective appeared to be autonomous learning.

本文言語English
ページ(範囲)499-513
ページ数15
ジャーナルEthology
103
6
DOI
出版ステータスPublished - 1997 6
外部発表はい

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology

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