Urwyler, Prabitha; Stucki, Reto; Rampa, Luca; Müri, René Martin; Mosimann, Urs Peter; Nef, Tobias (2017). Cognitive impairment categorized in community-dwelling older adults with and without dementia using in-home sensors that recognise activities of daily living. Scientific Reports, 7(42084), p. 42084. Nature Publishing Group 10.1038/srep42084
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Cognitive impairment due to dementia decreases functionality in Activities of Daily Living (ADL). Its assessment is useful to identify care needs, risks and monitor disease progression. This study investigates differences in ADL pattern-performance between dementia patients and healthy controls using unobtrusive sensors. Around 9,600 person-hours of activity data were collected from the home of ten dementia patients and ten healthy controls using a wireless-unobtrusive sensors and analysed to detect ADL. Recognised ADL were visualized using activity maps, the heterogeneity and accuracy to discriminate patients from healthy were analysed. Activity maps of dementia patients reveal unorganised behaviour patterns and heterogeneity differed significantly between the healthy and diseased. The discriminating accuracy increases with observation duration (0.95 for 20 days). Unobtrusive sensors quantify ADL-relevant behaviour, useful to uncover the effect of cognitive impairment, to quantify ADL-relevant changes in the course of dementia and to measure outcomes of anti-dementia treatments.
Item Type: |
Journal Article (Original Article) |
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Division/Institute: |
10 Strategic Research Centers > ARTORG Center for Biomedical Engineering Research > ARTORG Center - Gerontechnology and Rehabilitation 04 Faculty of Medicine > University Psychiatric Services > University Hospital of Geriatric Psychiatry and Psychotherapy 04 Faculty of Medicine > Department of Head Organs and Neurology (DKNS) > Clinic of Neurology |
UniBE Contributor: |
Urwyler-Harischandra, Prabitha, Stucki, Reto, Rampa, Luca, Müri, René Martin, Mosimann, Urs Peter, Nef, Tobias |
Subjects: |
600 Technology > 610 Medicine & health |
ISSN: |
2045-2322 |
Publisher: |
Nature Publishing Group |
Language: |
English |
Submitter: |
Vanessa Vallejo |
Date Deposited: |
14 Aug 2017 09:22 |
Last Modified: |
05 Dec 2022 15:04 |
Publisher DOI: |
10.1038/srep42084 |
PubMed ID: |
28176828 |
BORIS DOI: |
10.7892/boris.99006 |
URI: |
https://boris.unibe.ch/id/eprint/99006 |
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