Original ResearchPublished 8 October 2026Usability of digital medicine systems in patients with schizophrenia or schizoaffective disorderTaishiro Kishimoto · Harumasa Takano · Ryo Kanzaka · Hisateru Tachimori · Hideki Oi · Hiroyuki Ogino · Kyosuke Sawada · Fumiaki Kumagai · Masayuki Tomita · Iku Nakayama · Yoshiyuki Shibasaki · Toshiaki Kikuchi · Hiroyoshi Takeuchi · Kazuyuki NakagomeFrontiers in Psychiatrydoi 10.3389/fpsyt.2026.1903689