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Case report: A five-case series of 18-month home use of a conversational companion robot for psychological support in older people with mild cognitive impairment or late-onset psychosis.

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Title: Case report: A five-case series of 18-month home use of a conversational companion robot for psychological support in older people with mild cognitive impairment or late-onset psychosis.
Authors: Nagata Y; Department of Psychiatry, The University of Osaka Graduate School of Medicine, Osaka, Japan.; Division of Occupational Therapy, Department of Rehabilitation, Faculty of Health Science, Naragakuen University, Nara, Japan., Satake Y; Department of Psychiatry, The University of Osaka Graduate School of Medicine, Osaka, Japan.; Division of Psychiatry, Asakayama Hospital, Sakai, Japan., Yamazaki R; Symbiotic Intelligent Systems Research Center, Institute for Open and Transdisciplinary Research Initiatives, The University of Osaka, Osaka, Japan.; Education Center for Regional Revitalization/Faculty of Glocal Policy Management and Communication, Yamanashi Prefectural University, Yamanashi, Japan., Nishio S; Symbiotic Intelligent Systems Research Center, Institute for Open and Transdisciplinary Research Initiatives, The University of Osaka, Osaka, Japan., Ishiguro H; Symbiotic Intelligent Systems Research Center, Institute for Open and Transdisciplinary Research Initiatives, The University of Osaka, Osaka, Japan.; Intelligent Robotics Laboratory, Department of Systems Innovation, Graduate School of Engineering Science, The University of Osaka, Osaka, Japan., Ikeda M; Department of Psychiatry, The University of Osaka Graduate School of Medicine, Osaka, Japan.
Source: Frontiers in psychiatry [Front Psychiatry] 2026 Jan 20; Vol. 16, pp. 1700340. Date of Electronic Publication: 2026 Jan 20 (Print Publication: 2025).
Publication Type: Case Reports; Journal Article
Journal Info: Publisher: Frontiers Research Foundation Country of Publication: Switzerland NLM ID: 101545006 Publication Model: eCollection Cited Medium: Print ISSN: 1664-0640 (Print) Linking ISSN: 16640640 NLM ISO Abbreviation: Front Psychiatry Subsets: PubMed not MEDLINE
Database: MEDLINE Ultimate
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  Data: Case report: A five-case series of 18-month home use of a conversational companion robot for psychological support in older people with mild cognitive impairment or late-onset psychosis.
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  Data: <searchLink fieldCode="AU" term="%22Nagata+Y%22">Nagata Y</searchLink>; Department of Psychiatry, The University of Osaka Graduate School of Medicine, Osaka, Japan.; Division of Occupational Therapy, Department of Rehabilitation, Faculty of Health Science, Naragakuen University, Nara, Japan.<br /><searchLink fieldCode="AU" term="%22Satake+Y%22">Satake Y</searchLink>; Department of Psychiatry, The University of Osaka Graduate School of Medicine, Osaka, Japan.; Division of Psychiatry, Asakayama Hospital, Sakai, Japan.<br /><searchLink fieldCode="AU" term="%22Yamazaki+R%22">Yamazaki R</searchLink>; Symbiotic Intelligent Systems Research Center, Institute for Open and Transdisciplinary Research Initiatives, The University of Osaka, Osaka, Japan.; Education Center for Regional Revitalization/Faculty of Glocal Policy Management and Communication, Yamanashi Prefectural University, Yamanashi, Japan.<br /><searchLink fieldCode="AU" term="%22Nishio+S%22">Nishio S</searchLink>; Symbiotic Intelligent Systems Research Center, Institute for Open and Transdisciplinary Research Initiatives, The University of Osaka, Osaka, Japan.<br /><searchLink fieldCode="AU" term="%22Ishiguro+H%22">Ishiguro H</searchLink>; Symbiotic Intelligent Systems Research Center, Institute for Open and Transdisciplinary Research Initiatives, The University of Osaka, Osaka, Japan.; Intelligent Robotics Laboratory, Department of Systems Innovation, Graduate School of Engineering Science, The University of Osaka, Osaka, Japan.<br /><searchLink fieldCode="AU" term="%22Ikeda+M%22">Ikeda M</searchLink>; Department of Psychiatry, The University of Osaka Graduate School of Medicine, Osaka, Japan.
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