File Download

There are no files associated with this item.

  Links for fulltext
     (May Require Subscription)
Supplementary

Article: Time-locked and phase-locked features of P300 event-related potentials (ERPs) for brain-computer interface speller

TitleTime-locked and phase-locked features of P300 event-related potentials (ERPs) for brain-computer interface speller
Authors
KeywordsBrain-computer interface
Event-related spectral perturbation
Evoked response potentials
Inter-trial coherence
Phase reset
Issue Date2010
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/wps/find/journaldescription.cws_home/706718/description?navopenmenu=-2
Citation
Biomedical Signal Processing And Control, 2010, v. 5 n. 4, p. 243-251 How to Cite?
AbstractThe brain-computer interface P300 speller is aimed to help those patients unable to activate muscles to spell words by utilizing their brain activity. However, a problem associated with the use of this brain-computer interface paradigm is the generation mechanics of P300 related to responses to visual stimuli. Herein, we investigated the event-related potential (ERP) response for the P300-based brain-computer interface speller. A signal preprocessing method integrated coherent average, principal component analysis (PCA) and independent component analysis (ICA) to reduce the dimensions and noise in the raw data. The time-frequency analysis was based on wavelet and two characteristic parameters of event-related spectral perturbation (ERSP) and inter-trial coherence (ITC) were computed to indicate the evoked response (time-locked) and phase reset (phase-locked) activity, respectively. Results demonstrated that the proposed method was valid for the time-locked and phase-locked feature extraction and both the evoked response and phase reset contributed to the genesis of the P300 signal. These electrophysiological responses characteristics of ERPs would be used for BCI P300 speller design and its signal processing strategies. © 2010 Elsevier Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/135316
ISSN
2015 Impact Factor: 1.521
2015 SCImago Journal Rankings: 0.686
ISI Accession Number ID
Funding AgencyGrant Number
National Natural Science Foundation of China30970875
90920015
60501005
National Natural Science Foundation of China-Royal Society of Edinburgh of UK30910494/C1009
National High Technology Research & Development Program of China2007AA04Z236
Tianjin Science Technology Support Plan07ZCKFSF01300
08ZCGHHZ00300
S.K. Yee Medical Foundation202206
Funding Information:

This research was supported by National Natural Science Foundation of China (No. 30970875, No. 90920015, and No. 60501005), Joint Project of National Natural Science Foundation of China-Royal Society of Edinburgh of UK (No. 30910494/C1009), The National High Technology Research & Development Program of China (No. 2007AA04Z236), Biomedical Engineering Key Program (No. 07ZCKFSF01300) and Intentional Cooperation Key Program (No. 08ZCGHHZ00300) of Tianjin Science Technology Support Plan. This work was partially supported by S.K. Yee Medical Foundation (202206).

References

 

DC FieldValueLanguage
dc.contributor.authorMing, Den_HK
dc.contributor.authorAn, Xen_HK
dc.contributor.authorXi, Yen_HK
dc.contributor.authorHu, Yen_HK
dc.contributor.authorWan, Ben_HK
dc.contributor.authorQi, Hen_HK
dc.contributor.authorCheng, Len_HK
dc.contributor.authorXue, Zen_HK
dc.date.accessioned2011-07-27T01:33:20Z-
dc.date.available2011-07-27T01:33:20Z-
dc.date.issued2010en_HK
dc.identifier.citationBiomedical Signal Processing And Control, 2010, v. 5 n. 4, p. 243-251en_HK
dc.identifier.issn1746-8094en_HK
dc.identifier.urihttp://hdl.handle.net/10722/135316-
dc.description.abstractThe brain-computer interface P300 speller is aimed to help those patients unable to activate muscles to spell words by utilizing their brain activity. However, a problem associated with the use of this brain-computer interface paradigm is the generation mechanics of P300 related to responses to visual stimuli. Herein, we investigated the event-related potential (ERP) response for the P300-based brain-computer interface speller. A signal preprocessing method integrated coherent average, principal component analysis (PCA) and independent component analysis (ICA) to reduce the dimensions and noise in the raw data. The time-frequency analysis was based on wavelet and two characteristic parameters of event-related spectral perturbation (ERSP) and inter-trial coherence (ITC) were computed to indicate the evoked response (time-locked) and phase reset (phase-locked) activity, respectively. Results demonstrated that the proposed method was valid for the time-locked and phase-locked feature extraction and both the evoked response and phase reset contributed to the genesis of the P300 signal. These electrophysiological responses characteristics of ERPs would be used for BCI P300 speller design and its signal processing strategies. © 2010 Elsevier Ltd.en_HK
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/wps/find/journaldescription.cws_home/706718/description?navopenmenu=-2en_HK
dc.relation.ispartofBiomedical Signal Processing and Controlen_HK
dc.subjectBrain-computer interfaceen_HK
dc.subjectEvent-related spectral perturbationen_HK
dc.subjectEvoked response potentialsen_HK
dc.subjectInter-trial coherenceen_HK
dc.subjectPhase reseten_HK
dc.titleTime-locked and phase-locked features of P300 event-related potentials (ERPs) for brain-computer interface spelleren_HK
dc.typeArticleen_HK
dc.identifier.emailHu, Y:yhud@hku.hken_HK
dc.identifier.authorityHu, Y=rp00432en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.bspc.2010.08.001en_HK
dc.identifier.scopuseid_2-s2.0-77956647487en_HK
dc.identifier.hkuros189060en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77956647487&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume5en_HK
dc.identifier.issue4en_HK
dc.identifier.spage243en_HK
dc.identifier.epage251en_HK
dc.identifier.isiWOS:000283281900001-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridMing, D=9745824400en_HK
dc.identifier.scopusauthoridAn, X=35975600200en_HK
dc.identifier.scopusauthoridXi, Y=35792940000en_HK
dc.identifier.scopusauthoridHu, Y=7407116091en_HK
dc.identifier.scopusauthoridWan, B=7102316798en_HK
dc.identifier.scopusauthoridQi, H=7202348852en_HK
dc.identifier.scopusauthoridCheng, L=35780976700en_HK
dc.identifier.scopusauthoridXue, Z=16178824200en_HK

Export via OAI-PMH Interface in XML Formats


OR


Export to Other Non-XML Formats