Author

Yumi Yamanashi

Kyoto City ZooORCID 0000-0002-7572-7592Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Signature Assays, Organisms & Methods

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Approach:experimental assay· 2 Organism:rat· 2 Organism:human· 1 Assay:imaging· 1 Organism:mouse· 1

Frequent Co-Authors

Daisuke NakagawaiD· 1 shared Emi Arai Hasegawa· 1 shared Haruna Bando· 1 shared Ichiro TayasuiD· 1 shared Jun MatsubayashiiD· 1 shared Kazuki MiuraiD· 1 shared Keita Niimi· 1 shared Sinta MaharaniiD· 1 shared

Activity by Year

2026-2026 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 20 mutual co-author links

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1 shared paperZoology

Daisuke NakagawaORCID

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2 papers

Recent·Most cited

Radiocarbon dating of bird and mammal eye lenses reveals long-term chronology

Emi Arai Hasegawa, Jun Matsubayashi, Kazuki Miura, Yumi Yamanashi, Sinta Maharani, Ichiro Tayasu

This study uses radiocarbon dating of eye lenses in birds and mammals to reconstruct long-term chronological information, finding that mammalian lenses span years of life while avian lenses cover several years to decades.

bioRxiv · Sep 17, 2026 · PreprintZoology

Behavioral characteristics of an extremely old rhesus macaque in a zoo: Dementia-like symptoms and implications for quality of life of geriatric animals

Yumi Yamanashi, Haruna Bando, Keita Niimi, Daisuke Nakagawa, Susumu Iwaide, Tomoaki Murakami

This study documents behavioral changes in an old rhesus macaque, suggesting possible signs of cognitive decline and physical deterioration, but without confirmed cognitive dysfunction.

Zoo Biology · May 4, 2026Peer-reviewedZoology