Usability and performance measure of a consumer-grade brain computer interface system for environmental control by neurological patients

Journal article


Deravi, F., Ang, C., Azhar, H., Al-Wabil, A., Philips, M. and Sakel, M. 2015. Usability and performance measure of a consumer-grade brain computer interface system for environmental control by neurological patients. International Journal of Engineering and Technology Innovation (IJETI). 5 (3), pp. 165-177.
AuthorsDeravi, F., Ang, C., Azhar, H., Al-Wabil, A., Philips, M. and Sakel, M.
Abstract

With the increasing incidence and prevalence of chronic brain injury patients and the current financial constraints in healthcare budgets, there is a need for a more intelligent way to realise the current practice of neuro-rehabilitation service provision. Brain-computer Interface (BCI) systems have the potential to address this issue to a certain extent only if carefully designed research can demonstrate that these systems are accurate, safe, cost-effective, are able to increase patient/carer satisfaction and enhance their quality of life. Therefore, one of the objectives of the proposed study was to examine whether participants (patients with brain injury and a sample of reference population) were able to use a low cost BCI system (Emotiv EPOC) to interact with a computer and to communicate via spelling words. Patients participated in the study did not have prior experience in using BCI headsets so as to measure the user experience in the first-exposure to BCI training. To measure emotional arousal of participants we used an ElectroDermal Activity Sensor (Qsensor by Affectiva). For the signal processing and feature extraction of imagery controls the Cognitive Suite of Emotiv's Control Panel was used. Our study reports the key findings based on data obtained from a group of patients and a sample reference population and presents the implications for the design and development of a BCI system for communication and control. The study also evaluates the performance of the system when used practically in context of an acute clinical environment.

Year2015
JournalInternational Journal of Engineering and Technology Innovation (IJETI)
Journal citation5 (3), pp. 165-177
PublisherTaiwan Association of Engineering and Technology Innovation
ISSN2223-5329
Official URLhttp://sparc.nfu.edu.tw/~ijeti/download/IJETI-14-00024.pdf
Related URLhttp://sparc.nfu.edu.tw/~ijeti/
Publication dates
PrintJul 2015
Publication process dates
Deposited24 Sep 2015
AcceptedJul 2015
Accepted author manuscript
Output statusPublished
Book titleInternational Journal of Engineering and Technology Innovation
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