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Ryosuke Ishiwata

Explore the profile of Ryosuke Ishiwata including associated specialties, affiliations and a list of published articles. Areas
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Articles 9
Citations 24
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Recent Articles
1.
Sato S, Imaeda T, Mugikura S, Mori N, Takanashi M, Hayakawa K, et al.
Sci Rep . 2024 Aug; 14(1):19138. PMID: 39160183
Few population-based studies including younger adults have examined the potential of olfactory function tests to capture the degree of atrophy in memory-associated brain regions, which cannot be adequately explained by...
2.
Sato S, Imaeda T, Mugikura S, Mori N, Takanashi M, Hayakawa K, et al.
J Alzheimers Dis . 2023 Sep; 95(4):1469-1480. PMID: 37718802
Background: Olfactory function decline has recently been reported to be associated with a risk of cognitive impairment. Few population-based studies have included younger adults when examining the association between olfactory...
3.
Ishiwata R, Iwasa M
Sci Rep . 2021 Dec; 11(1):23799. PMID: 34893617
It has been experimentally reported that chemotactic cells exhibit cellular memory, that is, a tendency to maintain the migration direction despite changes in the chemoattractant gradient. In this study, we...
4.
Ogishima S, Nagaie S, Mizuno S, Ishiwata R, Iida K, Shimokawa K, et al.
Hum Genome Var . 2021 Dec; 8(1):44. PMID: 34887386
To reveal gene-environment interactions underlying common diseases and estimate the risk for common diseases, the Tohoku Medical Megabank (TMM) project has conducted prospective cohort studies and genomic and multiomics analyses....
5.
Ishiwata R, Yaguchi R, Sugiyama Y
Phys Rev E . 2020 Aug; 102(1-1):012150. PMID: 32795008
We focus on the asymmetry of the interaction in the optimal velocity (OV) model, which is a model of self-driven particles, and analytically investigate the effects of the asymmetry on...
6.
Ishiwata R, Kinukawa R, Sugiyama Y
Sci Rep . 2018 Apr; 8(1):6367. PMID: 29686258
The two-dimensional optimal velocity (2d-OV) model represents a dissipative system with asymmetric interactions, thus being suitable to reproduce behaviours such as pedestrian dynamics and the collective motion of living organisms....
7.
Nomura Y, Saito S, Ishiwata R, Sugiyama Y
Phys Rev E . 2016 Feb; 93(1):012215. PMID: 26871081
A dissipative system with asymmetric interaction, the optimal velocity model, shows a Hopf bifurcation concerned with the transition from a homogeneous motion to the formation of a moving cluster, such...
8.
Ishiwata R, Sugiyama Y
Phys Rev E Stat Nonlin Soft Matter Phys . 2016 Jan; 92(6):062830. PMID: 26764767
The two-dimensional optimal velocity model has potential applications to pedestrian dynamics and the collective motion of animals. In this paper, we extend the linear stability analysis presented in a previous...
9.
Katayama T, Wilkinson M, Micklem G, Kawashima S, Yamaguchi A, Nakao M, et al.
J Biomed Semantics . 2013 Feb; 4(1):6. PMID: 23398680
Background: BioHackathon 2010 was the third in a series of meetings hosted by the Database Center for Life Sciences (DBCLS) in Tokyo, Japan. The overall goal of the BioHackathon series...