An Auditory Paradigm for Brain–Computer Interfaces.

TitleAn Auditory Paradigm for Brain–Computer Interfaces.
Publication TypeJournal Article
Year of Publication2004
AuthorsJeremy Jeremy Hill, Lal, TN, Bierig, K, Birbaumer, N, Schölkopf, B
Date Published2004
KeywordsBrain Computer Interfaces
Abstract

 

Motivated by the particular problems involved in communicating with “locked-in” paralysed patients, we aim to develop a brain- computer interface that uses auditory stimuli. We describe a paradigm that allows a user to make a binary decision by focusing attention on one of two concurrent auditory stimulus sequences. Using Support Vector Machine classification and Recursive Chan- nel Elimination on the independent components of averaged event- related potentials, we show that an untrained user’s EEG data can be classified with an encouragingly high level of accuracy. This suggests that it is possible for users to modulate EEG signals in a single trial by the conscious direction of attention, well enough to be useful in BCI. 

URLhttp://papers.nips.cc/paper/2551-an-auditory-paradigm-for-brain-computer-interfaces

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