| Title: |
A comparison of two spelling Brain-Computer Interfaces based on visual P3 and SSVEP in Locked-In Syndrome. |
| Authors: |
Adrien Combaz; Camille Chatelle; Arne Robben; Gertie Vanhoof; Ann Goeleven; Vincent Thijs; Marc M Van Hulle; Steven Laureys |
| Source: |
PLoS ONE, Vol 8, Iss 9, p e73691 (2013) |
| Publisher Information: |
Public Library of Science (PLoS), 2013. |
| Publication Year: |
2013 |
| Collection: |
LCC:Medicine; LCC:Science |
| Subject Terms: |
Medicine; Science |
| Description: |
ObjectivesWe study the applicability of a visual P3-based and a Steady State Visually Evoked Potentials (SSVEP)-based Brain-Computer Interfaces (BCIs) for mental text spelling on a cohort of patients with incomplete Locked-In Syndrome (LIS).MethodsSeven patients performed repeated sessions with each BCI. We assessed BCI performance, mental workload and overall satisfaction for both systems. We also investigated the effect of the quality of life and level of motor impairment on the performance.ResultsAll seven patients were able to achieve an accuracy of 70% or more with the SSVEP-based BCI, compared to 3 patients with the P3-based BCI, showing a better performance with the SSVEP BCI than with the P3 BCI in the studied cohort. Moreover, the better performance of the SSVEP-based BCI was accompanied by a lower mental workload and a higher overall satisfaction. No relationship was found between BCI performance and level of motor impairment or quality of life.ConclusionOur results show a better usability of the SSVEP-based BCI than the P3-based one for the sessions performed by the tested population of locked-in patients with respect to all the criteria considered. The study shows the advantage of developing alternative BCIs with respect to the traditional matrix-based P3 speller using different designs and signal modalities such as SSVEPs to build a faster, more accurate, less mentally demanding and more satisfying BCI by testing both types of BCIs on a convenience sample of LIS patients. |
| Document Type: |
article |
| File Description: |
electronic resource |
| Language: |
English |
| ISSN: |
1932-6203 |
| Relation: |
https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/24086289/pdf/?tool=EBI; https://doaj.org/toc/1932-6203 |
| DOI: |
10.1371/journal.pone.0073691 |
| Access URL: |
https://doaj.org/article/40cade6fb5bc4e69a5fa15ced2b4c9bf |
| Accession Number: |
edsdoj.40cade6fb5bc4e69a5fa15ced2b4c9bf |
| Database: |
Directory of Open Access Journals |