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Assessing neurosky's usability to detect attention levels in an assessment exercise

Rebolledo-Mendez, G., Dunwell, I., Martínez-Mirón, E.A., Vargas-Cerdán, M.D., de Freitas, S., Liarokapis, F. and García-Gaona, A.R. (2009) Assessing neurosky's usability to detect attention levels in an assessment exercise. Lecture Notes in Computer Science, 5610 (Part 1). pp. 149-158.

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This paper presents the results of a usability evaluation of the NeuroSky's MindSet (MS). Until recently most Brain Computer Interfaces (BCI) have been designed for clinical and research purposes partly due to their size and complexity. However, a new generation of consumer-oriented BCI has appeared for the video game industry. The MS, a headset with a single electrode, is based on electro-encephalogram readings (EEG) capturing faint electrical signals generated by neural activity. The electrical signal across the electrode is measured to determine levels of attention (based on Alpha waveforms) and then translated into binary data. This paper presents the results of an evaluation to assess the usability of the MS by defining a model of attention to fuse attention signals with user-generated data in a Second Life assessment exercise. The results of this evaluation suggest that the MS provides accurate readings regarding attention, since there is a positive correlation between measured and self-reported attention levels. The results also suggest there are some usability and technical problems with its operation. Future research is presented consisting of the definition a standardized reading methodology and an algorithm to level out the natural fluctuation of users' attention levels if they are to be used as inputs.

Item Type: Journal Article
Publisher: Springer Verlag
Copyright: © 2009 Springer Berlin Heidelberg
Notes: 13th International Conference on Human-Computer Interaction, HCI International 2009; San Diego, CA; United States; 19 July 2009 - 24 July 2009
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