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Enhancing Brain-Computer Interface Performance in an ALS Population: Checkerboard and Color Paradigms

A brain-computer interface (BCI) speller provides non-muscular communication via detection of EEG features. In a non-disabled population, a Checkerboard (CB) stimulus presentation has been shown to improve BCI performance over the standard Row/Column (RC) paradigm. Another improvement is a gray-to-color (CL) paradigm that presents perceptually-salient targets defined by nine unique colors. The current study examines the RC, CB, and CL paradigms in an amyotrophic lateral sclerosis (ALS) population (N = 7). Pilot data suggest improved performance of CB and CL over RC. The results suggest matrices including CB and CL provide more efficient communication and higher user satisfaction in an ALS population.

Identiferoai:union.ndltd.org:ETSU/oai:dc.etsu.edu:etsu-works-2-1909
Date01 June 2013
CreatorsRyan, David B., Colwell, Kenneth A., Throckmorton, S., Collins, Leslie M., Sellers, Eric W.
PublisherDigital Commons @ East Tennessee State University
Source SetsEast Tennessee State University
Detected LanguageEnglish
Typetext
SourceETSU Faculty Works

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