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Article: Signal-to-noise ratio of intraoperative tibial nerve somatosensory-evoked potentials

TitleSignal-to-noise ratio of intraoperative tibial nerve somatosensory-evoked potentials
Authors
KeywordsIntraoperative monitoring
Signal-to-noise ratio
Somatosensory-evoked potentials
Issue Date2010
PublisherLippincott Williams & Wilkins. The Journal's web site is located at http://www.clinicalneurophys.com
Citation
Journal Of Clinical Neurophysiology, 2010, v. 27 n. 1, p. 30-33 How to Cite?
AbstractTo reveal the intrinsic signal-to-noise ratio (SNR) of single-trial somatosensory-evoked potentials (SEP). SEP was recorded from 13 scoliosis patients during surgery. The power of SEP was estimated with least-square fitting to obtain the most accurate value and then to estimate the SNR of every trial of SEP. The SNR of cortical SEP from 13 cases presented individual difference among each other. According to the mean and standard deviation, the coefficients of variation of cortical and subcortical SEP were 4.2% and 23%, respectively. The SNR of SEP was estimated to be -24 ± 1 dB in cortical SEP and -22 ± 5 dB in subcortical SEP. The lowest SNR of individual case was found to be -30 dB in cortical SEP and -53 dB in subcortical SEP. The results showed that SNR of intraoperative SEP recordings varies from person to person and presents a higher variability in subcortical than that in cortical, with a broad range from -53 to -5 dB. The results from this study can be used to understand the nature of SEP signals, which could guide researchers and designers on SEP denoising method selection, extraction, and measurement, as well as equipment development. © 2010 by the American Clinical Neurophysiology Society.
Persistent Identifierhttp://hdl.handle.net/10722/125185
ISSN
2015 Impact Factor: 1.337
2015 SCImago Journal Rankings: 0.578
ISI Accession Number ID
Funding AgencyGrant Number
Hong Kong Research Grants Council (RGC)
Competitive Earmarked Research GrantCERG HKU 7130/06E
The University of Hong Kong
Funding Information:

Supported in part by Hong Kong Research Grants Council (RGC), Competitive Earmarked Research Grant (CERG HKU 7130/06E), and The University of Hong Kong CRCG Funds.

References

 

DC FieldValueLanguage
dc.contributor.authorHu, Yen_HK
dc.contributor.authorLiu, Hen_HK
dc.contributor.authorLuk, KDKen_HK
dc.date.accessioned2010-10-31T11:16:17Z-
dc.date.available2010-10-31T11:16:17Z-
dc.date.issued2010en_HK
dc.identifier.citationJournal Of Clinical Neurophysiology, 2010, v. 27 n. 1, p. 30-33en_HK
dc.identifier.issn0736-0258en_HK
dc.identifier.urihttp://hdl.handle.net/10722/125185-
dc.description.abstractTo reveal the intrinsic signal-to-noise ratio (SNR) of single-trial somatosensory-evoked potentials (SEP). SEP was recorded from 13 scoliosis patients during surgery. The power of SEP was estimated with least-square fitting to obtain the most accurate value and then to estimate the SNR of every trial of SEP. The SNR of cortical SEP from 13 cases presented individual difference among each other. According to the mean and standard deviation, the coefficients of variation of cortical and subcortical SEP were 4.2% and 23%, respectively. The SNR of SEP was estimated to be -24 ± 1 dB in cortical SEP and -22 ± 5 dB in subcortical SEP. The lowest SNR of individual case was found to be -30 dB in cortical SEP and -53 dB in subcortical SEP. The results showed that SNR of intraoperative SEP recordings varies from person to person and presents a higher variability in subcortical than that in cortical, with a broad range from -53 to -5 dB. The results from this study can be used to understand the nature of SEP signals, which could guide researchers and designers on SEP denoising method selection, extraction, and measurement, as well as equipment development. © 2010 by the American Clinical Neurophysiology Society.en_HK
dc.languageengen_HK
dc.publisherLippincott Williams & Wilkins. The Journal's web site is located at http://www.clinicalneurophys.comen_HK
dc.relation.ispartofJournal of Clinical Neurophysiologyen_HK
dc.rightsThis is a non-final version of an article published in final form in Journal of Clinical Neurophysiology, 2010, v. 27 n. 1, p. 30-33-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectIntraoperative monitoringen_HK
dc.subjectSignal-to-noise ratioen_HK
dc.subjectSomatosensory-evoked potentialsen_HK
dc.subject.meshAdolescent-
dc.subject.meshAlgorithms-
dc.subject.meshBrain - physiology-
dc.subject.meshEvoked Potentials, Somatosensory-
dc.subject.meshTibial Nerve - physiology-
dc.titleSignal-to-noise ratio of intraoperative tibial nerve somatosensory-evoked potentialsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0736-0258&volume=27&issue=1&spage=30&epage=33&date=2010&atitle=Signal-to-noise+ratio+of+intraoperative+tibial+nerve+somatosensory-evoked+potentialsen_HK
dc.identifier.emailHu, Y:yhud@hku.hken_HK
dc.identifier.emailLuk, KDK:hcm21000@hku.hken_HK
dc.identifier.authorityHu, Y=rp00432en_HK
dc.identifier.authorityLuk, KDK=rp00333en_HK
dc.description.naturepostprint-
dc.identifier.doi10.1097/WNP.0b013e3181cb4257en_HK
dc.identifier.pmid20087207-
dc.identifier.scopuseid_2-s2.0-76749155702en_HK
dc.identifier.hkuros180211en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-76749155702&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume27en_HK
dc.identifier.issue1en_HK
dc.identifier.spage30en_HK
dc.identifier.epage33en_HK
dc.identifier.isiWOS:000275060600006-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridHu, Y=7407116091en_HK
dc.identifier.scopusauthoridLiu, H=35976455700en_HK
dc.identifier.scopusauthoridLuk, KDK=7201921573en_HK

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