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Alpha-band lateralization during auditory selective attention for brain–computer interface control

Alpha-band lateralization during auditory selective attention for brain–computer interface control AbstractIn this paper, we investigated selective attention to auditory stimuli as a control mechanism for a Brain–Computer Interface (BCI). For BCIs using visual stimuli, the use of steady state or code modulated visual evoked potentials yields high performance. In this work, these approaches were transferred and tested in the auditory domain. The attentional modulation of code-modulated auditory evoked potentials (c-AEPs) and steady state auditory evoked potentials (SSAEPs) showed only a small effect, which is not sufficient for BCI control. However, for both kinds of stimuli, we found a spatial attention-related alpha-band lateralization that allows classification accuracies above 70% and thereby can be used for controlling a BCI. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Brain-Computer Interfaces Taylor & Francis

Alpha-band lateralization during auditory selective attention for brain–computer interface control

Brain-Computer Interfaces , Volume 5 (1): 7 – Jan 2, 2018

Alpha-band lateralization during auditory selective attention for brain–computer interface control

Abstract

AbstractIn this paper, we investigated selective attention to auditory stimuli as a control mechanism for a Brain–Computer Interface (BCI). For BCIs using visual stimuli, the use of steady state or code modulated visual evoked potentials yields high performance. In this work, these approaches were transferred and tested in the auditory domain. The attentional modulation of code-modulated auditory evoked potentials (c-AEPs) and steady state auditory evoked potentials (SSAEPs) showed only...
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Publisher
Taylor & Francis
Copyright
© 2018 Informa UK Limited, trading as Taylor & Francis Group
ISSN
2326-2621
eISSN
2326-263x
DOI
10.1080/2326263X.2017.1415496
Publisher site
See Article on Publisher Site

Abstract

AbstractIn this paper, we investigated selective attention to auditory stimuli as a control mechanism for a Brain–Computer Interface (BCI). For BCIs using visual stimuli, the use of steady state or code modulated visual evoked potentials yields high performance. In this work, these approaches were transferred and tested in the auditory domain. The attentional modulation of code-modulated auditory evoked potentials (c-AEPs) and steady state auditory evoked potentials (SSAEPs) showed only a small effect, which is not sufficient for BCI control. However, for both kinds of stimuli, we found a spatial attention-related alpha-band lateralization that allows classification accuracies above 70% and thereby can be used for controlling a BCI.

Journal

Brain-Computer InterfacesTaylor & Francis

Published: Jan 2, 2018

Keywords: Electroencephalography (EEG); auditory steady state response (ASSR); spatial attention; covert attention; frequency tagging; noise tagging

References