iPatax: a Tablet-based Tool for Quantitative Assessment of Cerebellar Ataxia
Takahiro Nagai, Shingo Koide, Tomohiko Ishihara, Masayoshi Tada, Masatoyo Nishizawa, Osamu Onodera · 2026
Read iPatax: a Tablet-based Tool for Quantitative Assessment of Cerebellar Ataxia by Takahiro Nagai, Shingo Koide, Tomohiko Ishihara, Masayoshi Tada, Masatoyo Nishizawa, Osamu Onodera (2026) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-13249631.txt.
Description
Nagai and colleagues present iPatax, an iPad app that measures shaky coordination in ataxia, in a 2026 study. Doctors still grade cerebellar ataxia mostly with stepped rating scales, which can miss small changes. Twenty-eight patients and twenty-seven healthy volunteers traced targets on the tablet in three tasks, some stop-and-go and some continuous.
Two numbers worked best: how unevenly speed varied in straight tracing, and how far the finger strayed in circular tracing. Both separated patients from controls well, and both tracked the standard clinical scale's scores. Healthy users improved with practice, a learning effect the authors account for. They propose the app as a cheap, objective companion to rating scales in clinics and trials.
Catalog record
| CREATOR | Takahiro Nagai, Shingo Koide, Tomohiko Ishihara, Masayoshi Tada, Masatoyo Nishizawa, Osamu Onodera |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 24 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |