田中暢明 准教授 / TANAKA, Nobuaki

知性と感性の源を探る

田中暢明 准教授 /  TANAKA, Nobuaki

研究分野・テーマ・内容

研究分野 神経生物学
研究テーマ 外界を知覚し、それに適した行動をとるための神経基盤

研究内容

脳はどのように外界の環境を認識して、それに適した行動を表出するのか?私たちの研究室では、ショウジョウバエを用いて、匂いの情報が処理される機構や、その処理が個体の気分や体調によって調節される機構を研究しています。また、最近、頭足類のヒメイカを使って、関節や骨格のない肉体の運動制御や脳の感覚情報処理機構の研究を開始しました。いずれも個々の神経の構造から機能まで明らかにするために、解剖学や生理学の手法を組み合わせて研究を行っています。

メッセージ

自分独自の価値観をもって生物を俯瞰することで、生物のもつ美しい調和を理解する楽しさを味わってみませんか?

参考文献・論文・著書

「異質なものから本質を探る:イカに魅せられて」(2015) 細胞工学 34(9) p835

Sugime Y, Watanabe D, Yasuno Y, Shinada T, Miura T, Tanaka NK*. (2017) The upregulation of juvenile hormone titers in female Drosophila melanogaster through mating experiences and host food occupied by eggs and larvae. Zoological Science 34:52-57.

Yagi R, Mabuchi Y, Mizunami M, Tanaka NK*. (2016) Convergence of multimodal sensory pathways to the mushroom body calyx in Drosophila melanogaster. Scientific Reports 6: 29481; doi: 10.1038/srep29481.

Koizumi M, Shigeno S, Mizunami M, Tanaka NK* (2016) Three-dimensional brain atlas of pygmy squid, Idiosepius paradoxus, revealing the largest relative vertical lobe system volume among the cephalopods. Journal of Comparative Neurology 524:2142-2157.

nameTANAKA Nobuaki

Research subject

Specialized field

Neurobiology

Key words

Sensory processing
Motor coordination
Neuroendocrine system
Drosophila genetics
Cephalopod

Research subject

Our primary goal is to reveal how neuronal circuits work as a system to process sensory inputs, and how this processing is modulated by a specific environment or by the mental state or the condition of the body. The answers to these questions would reveal how an animal displays adaptive behavior in response to a given situation that changes moment by moment, or even develops intelligent behavior to cope with a difficult situation. To study these problems in our laboratory, we are utilizing two invertebrate animals, the fly and the cephalopod.

message

It is not easy to demonstrate the presence of a “mind” in the invertebrates, however, the cephalopods, whose brain-to-body weight ratio exceeds that of most fish and reptiles, show behaviors which would depend on the presence of a so-called “mind.” The comparative analyses of brain functions both between mammals and cephalopods and between cephalopods and insects may lead to a better understanding of what the essence of the “mind” is. Working on such a question may require significant time and effort, but will enrich our lives, don’t you think?

references

Sugime Y, Watanabe D, Yasuno Y, Shinada T, Miura T, Tanaka NK*. (2017) The upregulation of juvenile hormone titers in female Drosophila melanogaster through mating experiences and host food occupied by eggs and larvae. Zoological Science 34:52-57.

Yagi R, Mabuchi Y, Mizunami M, Tanaka NK*. (2016) Convergence of multimodal sensory pathways to the mushroom body calyx in Drosophila melanogaster. Scientific Reports 6: 29481; doi: 10.1038/srep29481.

Koizumi M, Shigeno S, Mizunami M, Tanaka NK*. (2016) Three-dimensional brain atlas of pygmy squid, Idiosepius paradoxus, revealing the largest relative vertical lobe system volume among the cephalopods. Journal of Comparative Neurology 524:2142-2157.