Self-initiation of EEG-based braincomputer communication using the heart rate response
Identifieur interne : 000D68 ( Main/Exploration ); précédent : 000D67; suivant : 000D69Self-initiation of EEG-based braincomputer communication using the heart rate response
Auteurs : R. Scherer [Autriche] ; G R Mller-Putz [Autriche] ; G. Pfurtscheller [Autriche]Source :
- Journal of Neural Engineering [ 1741-2560 ] ; 2007.
Abstract
Self-initiation, that is the ability of a braincomputer interface (BCI) user to autonomously switch on and off the system, is a very important issue. In this work we analyze whether the respiratory heart rate response, induced by brisk inspiration, can be used as an additional communication channel. After only 20 min of feedback training, ten healthy subjects were able to self-initiate and operate a 4-class steady-state visual evoked potential-based (SSVEP) BCI by using one bipolar ECG and one bipolar EEG channel only. Threshold detection was used to measure a beat-to-beat heart rate increase. Despite this simple method, during a 30 min evaluation period on average only 2.9 non-intentional switches (heart rate changes) were detected.
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DOI: 10.1088/1741-2560/4/4/L01
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Scherer</name><affiliation wicri:level="1"><country xml:lang="fr">Autriche</country><wicri:regionArea>Institute for Knowledge Discovery, Laboratory of BrainComputer Interfaces (BCI-Lab), Graz University of Technology, Krenngasse 37/IV, 8010 Graz</wicri:regionArea><wicri:noRegion>8010 Graz</wicri:noRegion></affiliation><affiliation wicri:level="1"><country wicri:rule="url">Autriche</country></affiliation></author><author><name sortKey="Mller Putz, G R" sort="Mller Putz, G R" uniqKey="Mller Putz G" first="G R" last="Mller-Putz">G R Mller-Putz</name><affiliation wicri:level="1"><country xml:lang="fr">Autriche</country><wicri:regionArea>Institute for Knowledge Discovery, Laboratory of BrainComputer Interfaces (BCI-Lab), Graz University of Technology, Krenngasse 37/IV, 8010 Graz</wicri:regionArea><wicri:noRegion>8010 Graz</wicri:noRegion></affiliation></author><author><name sortKey="Pfurtscheller, G" sort="Pfurtscheller, G" uniqKey="Pfurtscheller G" first="G" last="Pfurtscheller">G. 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Neural Eng.</title><idno type="ISSN">1741-2560</idno><imprint><publisher>IOP Publishing</publisher><date type="published" when="2007">2007</date><biblScope unit="volume">4</biblScope><biblScope unit="issue">4</biblScope><biblScope unit="page" from="L23">L23</biblScope><biblScope unit="page" to="L29">L29</biblScope><biblScope unit="production">Printed in the UK</biblScope></imprint><idno type="ISSN">1741-2560</idno></series><idno type="istex">7D50C6EB99103CC095F981E07D88D65E29EB3E6A</idno><idno type="DOI">10.1088/1741-2560/4/4/L01</idno><idno type="PII">S1741-2560(07)55515-1</idno><idno type="articleID">255515</idno><idno type="articleNumber">L01</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">1741-2560</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Self-initiation, that is the ability of a braincomputer interface (BCI) user to autonomously switch on and off the system, is a very important issue. In this work we analyze whether the respiratory heart rate response, induced by brisk inspiration, can be used as an additional communication channel. After only 20 min of feedback training, ten healthy subjects were able to self-initiate and operate a 4-class steady-state visual evoked potential-based (SSVEP) BCI by using one bipolar ECG and one bipolar EEG channel only. Threshold detection was used to measure a beat-to-beat heart rate increase. Despite this simple method, during a 30 min evaluation period on average only 2.9 non-intentional switches (heart rate changes) were detected.</div></front></TEI><affiliations><list><country><li>Autriche</li></country></list><tree><country name="Autriche"><noRegion><name sortKey="Scherer, R" sort="Scherer, R" uniqKey="Scherer R" first="R" last="Scherer">R. Scherer</name></noRegion><name sortKey="Mller Putz, G R" sort="Mller Putz, G R" uniqKey="Mller Putz G" first="G R" last="Mller-Putz">G R Mller-Putz</name><name sortKey="Pfurtscheller, G" sort="Pfurtscheller, G" uniqKey="Pfurtscheller G" first="G" last="Pfurtscheller">G. Pfurtscheller</name><name sortKey="Scherer, R" sort="Scherer, R" uniqKey="Scherer R" first="R" last="Scherer">R. Scherer</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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