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Automatic Task Assistance for People with Cognitive Disabilities in Brushing Teeth - A User Study with the TEBRA System
Open accessAbstract
People with cognitive disabilities such as dementia and intellectual disabilities tend to have problems in coordinating steps in the execution of Activities of Daily Living (ADLs) due to limited capabilities in cognitive functioning. To successfully perform ADLs, these people are reliant on the assistance of human caregivers. This leads to a decrease of independence for care recipients and imposes a high burden on caregivers. Assistive Technology for Cognition (ATC) aims to compensate for decreased cognitive functions. ATC systems provide automatic assistance in task execution by delivering appropriate prompts which enable the user to perform ADLs without any assistance of a human caregiver. This leads to an increase of the user’s independence and to a relief of caregiver’s burden. In this article, we describe the design, development and evaluation of a novel ATC system. The TEBRA (TEeth BRushing Assistance) system supports people with moderate cognitive disabilities in the execution of brushing teeth. A main requirement for the acceptance of ATC systems is context awareness: explicit feedback from the user is not necessary to provide appropriate assistance. Furthermore, an ATC system needs to handle spatial and temporal variance in the execution of behaviors such as different movement characteristics and different velocities. The TEBRA system handles spatial variance in a behavior recognition component based on a Bayesian network classifier. A dynamic timing model deals with temporal variance by adapting to different velocities of users during a trial. We evaluate a fully functioning prototype of the TEBRA system in a study with people with cognitive disabilities. The main aim of the study is to analyze the technical performance of the system and the user’s behavior in the interaction with the system with regard to the main hypothesis: is the TEBRA system able to increase the user’s independence in the execution of brushing teeth?
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Peters et al. proposed TEBRA, similar to COACH, to help people with cognitive impairment wash their teeth.
“More recently, Peters et al. [31] have proposed TEBRA, similar to COACH, to help people with cognitive impairment wash their teeth.”
From Usability assessment of interaction management support in LOUISE, an ECA-based user interface for elders with cognitive impairment (2018) · cites this paper as [31]
The Abstract/Bemerkung passage describes TEBRA as a system developed to assist people with moderate cognitive disabilities in brushing their teeth. Our copy does not discuss COACH, so it does not substantiate the comparison to that system. (LLM, conf=0.85)
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- Melonis , M. , Mihailidis , A. , Keyfitz , R. , Grześ , M. , Hoey , J. , and Bodine , C . 2012. Empowering adults with cognitive disability through inclusion of non-linear context aware prompting technology (N-CAPS) . In Proceedings of RESNA. Melonis, M., Mihailidis, A., Keyfitz, R., Grześ, M., Hoey, J., and Bodine, C. 2012. Empowering adults with cognitive disability through inclusion of non-linear context aware prompting technology (N-CAPS). In Proceedings of RESNA.
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- Peters , C. , Hermann , T. , and Wachsmuth , S . 2013. TEBRA---An automatic prompting system for persons with cognitive disabilities in brushing teeth . In Proceedings of the HealthInf International Conference on Health Informatics. 12--23 . Peters, C., Hermann, T., and Wachsmuth, S. 2013. TEBRA---An automatic prompting system for persons with cognitive disabilities in brushing teeth. In Proceedings of the HealthInf International Conference on Health Informatics. 12--23.
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Cited by
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Wargnier, P., Benveniste, S., Jouvelot, P., & Rigaud, A.-S. (2018) · Technology and Disability · doi:10.3233/tad-180189 · Cited by 32
Metadata
- Authors
- Peters, C., Hermann, T., Wachsmuth, S., & Hoey, J.
- Affiliations
- Bielefeld University (DE)
- University of Waterloo (CA)
- Venue
- ACM Transactions on Accessible Computing
- Published
- 2014-03
- Volume
- 5
- Issue
- 4
- Pages
- 1-34
- ISSN
- 1936-7228 (ISSN-L)
- 1936-7236
- OpenAlex
- W2036006374
- Cited by
- 51
- References
- 0
- Citations by year
- 2026: 3 · 2025: 6 · 2024: 2 · 2023: 2 · 2022: 5 · 2021: 4 · 2020: 1 · 2019: 2 · 2018: 9 · 2017: 7 · 2016: 4 · 2015: 5 · 2014: 1
- FWCI
- 17.69
- Type
- journal article
- Language
- en
- Open access
- green
- pub.uni-bielefeld.de
- Locations
- ACM Transactions on Accessible Computing (publishedVersion)
- PUB – Publications at Bielefeld University (Bielefeld University) (submittedVersion, other-oa)
- Publikationen an der Universität Bielefeld (Universität Bielefeld) (submittedVersion, cc-by)
- Funders
- Deutsche Forschungsgemeinschaft
- Cluster of Excellence 277 Cognitive Interaction Technology
- Topics
- Health Sciences › Health Professions › Occupational Therapy › Assistive Technology in Communication and Mobility
- Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Context-Aware Activity Recognition Systems
- Physical Sciences › Computer Science › Human-Computer Interaction › Innovative Human-Technology Interaction
- Keywords
- cognitive disability, dementia, intellectual disability, activities of daily living, context awareness, behavior recognition, Bayesian network classifiers, user independence, caregiver burden, user study
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