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International Joint Conference on Biomedical Engineering Systems and Technologies

BIOSTEC 2013: Biomedical Engineering Systems and Technologies pp 333–353Cite as

TEBRA: Automatic Task Assistance for Persons with Cognitive Disabilities in Brushing Teeth

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Part of the book series: Communications in Computer and Information Science ((CCIS,volume 452))

Abstract

We introduce a novel Assistive Technology for Cognition. The TEBRA system assists persons with cognitive disabilities in brushing teeth by prompting the user. We develop the system based on an analysis of the task using qualitative data analysis. We recognize different substeps using a recognition component based on a Bayesian network. The user’s progress in the task is monitored using a Finite State Machine and a dynamic timing model which allows for different velocities of task execution. We evaluate the TEBRA system in a first study with regular users and analyze the timing behavior of the system in detail. We found that the system is able to provide appropriate prompts in terms of timing and modality to assist a user through the complex task of brushing teeth.

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Notes

  1. 1.

    Degree of freedom.

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Acknowledgements

The authors would like to thank the inhabitants and caregivers of Haus Bersaba for their cooperation. This work was funded by the German Research Foundation (DFG), Excellence Cluster 277 “Cognitive Interaction Technology”. Special thanks to Simon Schulz from the CITEC Central Lab Facilities for integrating the sensor module into the toothbrush.

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Authors and Affiliations

  1. CITEC, Bielefeld University, Bielefeld, Germany

    Christian Peters, Thomas Hermann & Sven Wachsmuth

Authors
  1. Christian Peters
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  2. Thomas Hermann
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  3. Sven Wachsmuth
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Corresponding author

Correspondence to Christian Peters .

Editor information

Editors and Affiliations

  1. Universitat Politècnica de Catalunya, Barcelona, Spain

    Mireya Fernández-Chimeno

  2. Instituto Gulbenkian de Ciência, Oeiras, Portugal

    Pedro L. Fernandes

  3. Boston College, Chestnut Hill, Massachusetts, USA

    Sergio Alvarez

  4. University of Guelph, Guelph, Canada

    Deborah Stacey

  5. University of Vic, Vic, Spain

    Jordi Solé-Casals

  6. Technical University of Lisbon, Lisbon, Portugal

    Ana Fred

  7. New University of Lisbon, Lisboa, Portugal

    Hugo Gamboa

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© 2014 Springer-Verlag Berlin Heidelberg

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Peters, C., Hermann, T., Wachsmuth, S. (2014). TEBRA: Automatic Task Assistance for Persons with Cognitive Disabilities in Brushing Teeth. In: Fernández-Chimeno, M., et al. Biomedical Engineering Systems and Technologies. BIOSTEC 2013. Communications in Computer and Information Science, vol 452. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-44485-6_23

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  • DOI: https://doi.org/10.1007/978-3-662-44485-6_23

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-662-44484-9

  • Online ISBN: 978-3-662-44485-6

  • eBook Packages: Computer ScienceComputer Science (R0)

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