Title |
The WIN-speller: a new intuitive auditory brain-computer interface spelling application
|
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Published in |
Frontiers in Neuroscience, October 2015
|
DOI | 10.3389/fnins.2015.00346 |
Pubmed ID | |
Authors |
Sonja C. Kleih, Andreas Herweg, Tobias Kaufmann, Pit Staiger-Sälzer, Natascha Gerstner, Andrea Kübler |
Abstract |
The objective of this study was to test the usability of a new auditory Brain-Computer Interface (BCI) application for communication. We introduce a word based, intuitive auditory spelling paradigm the WIN-speller. In the WIN-speller letters are grouped by words, such as the word KLANG representing the letters A, G, K, L, and N. Thereby, the decoding step between perceiving a code and translating it to the stimuli it represents becomes superfluous. We tested 11 healthy volunteers and four end-users with motor impairment in the copy spelling mode. Spelling was successful with an average accuracy of 84% in the healthy sample. Three of the end-users communicated with average accuracies of 80% or higher while one user was not able to communicate reliably. Even though further evaluation is required, the WIN-speller represents a potential alternative for BCI based communication in end-users. |
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