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Performance comparison of a non-invasive P300-based BCI mouse to a head-mouse for people with SCI

Performance comparison of a non-invasive P300-based BCI mouse to a head-mouse for people with SCI The purpose of this study was to evaluate the feasibility of a novel non-invasive P300-based brain computer interface (BCI) mouse emulation device (MED), along with a commercial head-mouse among experienced head-mouse users with cervical spinal cord injury (SCI). The setting was a controlled experimental set-up.  Feasibility was shown for the P300-BCI MED with an accuracy of 82%, response-time <149 seconds and lower response-time variability than head-mouse. There were improvements in response-time and error-distance in the P300-BCI MED from day 1 to day 2. However, the head-mouse performed better for all the outcome measures, i.e. higher accuracy, quicker response time, and lower error distance than P300-BCI MED. The P300-BCI MED was feasible, and participants expressed an interest in using it on a regular basis despite reporting that the head-mouse worked better.  Thus, a P300-BCI MED is a promising alternative for those who require a MED, but further development would be desirable. Abbreviations BCI: Brain-computer interface; EEG: Electroencephalogram; P300: Event-related evoked potential occurring at 300 ms used to operate a BCI; SSVEP: Steady state visual evoked potential; MED: Mouse emulation device; FIM: FIM – FIM® instrument; NASA-TLX: National Aeronautics and Space Administration – Task Load Index http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Brain-Computer Interfaces Taylor & Francis

Performance comparison of a non-invasive P300-based BCI mouse to a head-mouse for people with SCI

Brain-Computer Interfaces , Volume 7 (1-2): 10 – Apr 2, 2020

Performance comparison of a non-invasive P300-based BCI mouse to a head-mouse for people with SCI

Abstract

The purpose of this study was to evaluate the feasibility of a novel non-invasive P300-based brain computer interface (BCI) mouse emulation device (MED), along with a commercial head-mouse among experienced head-mouse users with cervical spinal cord injury (SCI). The setting was a controlled experimental set-up.  Feasibility was shown for the P300-BCI MED with an accuracy of 82%, response-time <149 seconds and lower response-time variability than head-mouse. There were improvements...
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Publisher
Taylor & Francis
Copyright
© 2020 Informa UK Limited, trading as Taylor & Francis Group
ISSN
2326-2621
eISSN
2326-263x
DOI
10.1080/2326263X.2020.1716532
Publisher site
See Article on Publisher Site

Abstract

The purpose of this study was to evaluate the feasibility of a novel non-invasive P300-based brain computer interface (BCI) mouse emulation device (MED), along with a commercial head-mouse among experienced head-mouse users with cervical spinal cord injury (SCI). The setting was a controlled experimental set-up.  Feasibility was shown for the P300-BCI MED with an accuracy of 82%, response-time <149 seconds and lower response-time variability than head-mouse. There were improvements in response-time and error-distance in the P300-BCI MED from day 1 to day 2. However, the head-mouse performed better for all the outcome measures, i.e. higher accuracy, quicker response time, and lower error distance than P300-BCI MED. The P300-BCI MED was feasible, and participants expressed an interest in using it on a regular basis despite reporting that the head-mouse worked better.  Thus, a P300-BCI MED is a promising alternative for those who require a MED, but further development would be desirable. Abbreviations BCI: Brain-computer interface; EEG: Electroencephalogram; P300: Event-related evoked potential occurring at 300 ms used to operate a BCI; SSVEP: Steady state visual evoked potential; MED: Mouse emulation device; FIM: FIM – FIM® instrument; NASA-TLX: National Aeronautics and Space Administration – Task Load Index

Journal

Brain-Computer InterfacesTaylor & Francis

Published: Apr 2, 2020

Keywords: P300 mouse; speed and accuracy; EEG; BCI

References