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  Building Cognition-Aware Systems: A Mobile Toolkit for Extracting Time-of-Day Fluctuations of Cognitive Performance

Dingler, T., Schmidt, A., & Machulla, T. (2017). Building Cognition-Aware Systems: A Mobile Toolkit for Extracting Time-of-Day Fluctuations of Cognitive Performance. In ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp '17) (pp. 1-15). New York, NY, USA: ACM Press.

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 Creators:
Dingler, T1, Author
Schmidt, A1, Author
Machulla, T1, Author              
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1University of Stuttgart, ou_persistent22              

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 Abstract: People’s alertness fluctuates across the day: at some times we are highly focused while at others we feel unable to concentrate. So far, extracting fluctuation patterns has been time and cost-intensive. Using an in-the-wild approach with 12 participants, we evaluated three cognitive tasks regarding their adequacy as a mobile and economical assessment tool of diurnal changes in mental performance. Participants completed the five-minute test battery on their smartphones multiple times a day for a period of 1-2 weeks. Our results show that people’s circadian rhythm can be obtained under unregulated non-laboratory conditions. Along with this validation study, we release our test battery as an open source library for future work towards cognition-aware systems as well as a tool for psychological and medical research. We discuss ways of integrating the toolkit and possibilities for implicitly measuring performance variations in common applications. The ability to detect systematic patterns in alertness levels will allow cognition-aware systems to provide in-situ assistance in accordance with users’ current cognitive capabilities and limitations.

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 Dates: 2017-09
 Publication Status: Published in print
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 Identifiers: DOI: 10.1145/3132025
BibTex Citekey: DinglerSM2017
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Title: ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp '17)
Place of Event: Maui, HI, USA
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Title: ACM International Joint Conference on Pervasive and Ubiquitous Computing (UbiComp '17)
Source Genre: Proceedings
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Publ. Info: New York, NY, USA : ACM Press
Pages: - Volume / Issue: 1 (3) Sequence Number: 47 Start / End Page: 1 - 15 Identifier: -

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Title: Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies
Source Genre: Journal
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Pages: - Volume / Issue: 1 (3) Sequence Number: 47 Start / End Page: - Identifier: -