Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples

6 páginas

Autores:: Simpson, D. M.
Catelli Infantosi, Antonio Fernando
Botero Rosas, D. A.

Tipo de recurso:

Fecha de publicación:: 2001

Institución:: Universidad de la Sabana

Repositorio:: Repositorio Universidad de la Sabana

Idioma:: eng

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spelling	Simpson, D. M.Catelli Infantosi, Antonio FernandoBotero Rosas, D. A.9/2/2020 10:092020-09-02T15:09:34Z2001-02-23Simpson, D.M., Infantosi, A.F.C. & Botero Rosas, D.A. Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples. Med. Biol. Eng. Comput. 39, 428–433 (2001). https://doi.org/10.1007/BF02345364https://link.springer.com/article/10.1007/BF02345364https://link.springer.com/content/pdf/10.1007/BF02345364.pdfhttp://hdl.handle.net/10818/4314010.1007/BF023453646 páginasCross-correlation between cerebral blood flow (CBF) and background EEG activity can indicate the integrity of CBF control under changing metabolic demand. The difficulty of obtaining long, continuous recordings of good quality for both EEG and CBF signals in a clinical setting is overcome, in the present work, by an algorithm that allows the cross-correlation function (CCF) to be estimated when the signals are interrupted by segments of missing data. Methods are also presented to test the statistical significance of the CCF obtained in this way and to estimate the power of this test, both based on Monte Carlo simulations. The techniques are applied to the time-series given by the mean CBF velocity (recorded by transcranial Doppler) and the mean power of the EEG signal, obtained in 1 s intervals from nine sleeping neonates. The peak of the CCF is found to be low (≤0.35), but reached statistical significance (p<0.05) in five of the nine subjects. The CCF further indicates a delay of 4–6s between changes in EEG and CBF velocity. The proposed signal-analysis methods prove effective and convenient and can be of wide use in dealing with the common problem of missing samples in biological signals.application/pdfengMedical and Biological Engineering and ComputingMedical and Biological Engineering and Computing volume 39, pages428–433(2001)Attribution-NonCommercial-NoDerivatives 4.0 Internationalhttp://creativecommons.org/licenses/by-nc-nd/4.0/http://purl.org/coar/access_right/c_abf2Universidad de La SabanaIntellectum Repositorio Universidad de La SabanaCerebral blood flowTranscranial DopplerEEGNeonatesCorrelationMissing samplesEstimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samplesarticlepublishedVersionhttp://purl.org/coar/version/c_970fb48d4fbd8a85http://purl.org/coar/resource_type/c_6501CC-LICENSElicense_rdflicense_rdfapplication/rdf+xml; charset=utf-8805https://intellectum.unisabana.edu.co/bitstream/10818/43140/2/license_rdf4460e5956bc1d1639be9ae6146a50347MD52LICENSElicense.txtlicense.txttext/plain; charset=utf-8498https://intellectum.unisabana.edu.co/bitstream/10818/43140/3/license.txtf52a2cfd4df262e08e9b300d62c85cabMD5310818/43140oai:intellectum.unisabana.edu.co:10818/431402022-05-10 05:20:13.092Intellectum Universidad de la Sabanacontactointellectum@unisabana.edu.coPGEgcmVsPSJsaWNlbnNlIiBocmVmPSJodHRwOi8vY3JlYXRpdmVjb21tb25zLm9yZy9saWNlbnNlcy9ieS1uYy1uZC8zLjAvIj48aW1nIGFsdD0iTGljZW5jaWEgQ3JlYXRpdmUgQ29tbW9ucyIgc3R5bGU9ImJvcmRlci13aWR0aDowIiBzcmM9Imh0dHA6Ly9pLmNyZWF0aXZlY29tbW9ucy5vcmcvbC9ieS1uYy1uZC8zLjAvODh4MzEucG5nIiAvPjwvYT48YnIgLz5Fc3RlIDxzcGFuIHhtbG5zOmRjdD0iaHR0cDovL3B1cmwub3JnL2RjL3Rlcm1zLyIgaHJlZj0iaHR0cDovL3B1cmwub3JnL2RjL2RjbWl0eXBlL1RleHQiIHJlbD0iZGN0OnR5cGUiPm9icmE8L3NwYW4+IGVzdMOhIGJham8gdW5hIDxhIHJlbD0ibGljZW5zZSIgaHJlZj0iaHR0cDovL2NyZWF0aXZlY29tbW9ucy5vcmcvbGljZW5zZXMvYnktbmMtbmQvMy4wLyI+bGljZW5jaWEgQ3JlYXRpdmUgQ29tbW9ucyBSZWNvbm9jaW1pZW50by1Ob0NvbWVyY2lhbC1TaW5PYnJhRGVyaXZhZGEgMy4wIFVucG9ydGVkPC9hPi4K
dc.title.es_CO.fl_str_mv	Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples
title	Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples
spellingShingle	Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples Cerebral blood flow Transcranial Doppler EEG Neonates Correlation Missing samples
title_short	Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples
title_full	Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples
title_fullStr	Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples
title_full_unstemmed	Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples
title_sort	Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples
dc.creator.fl_str_mv	Simpson, D. M. Catelli Infantosi, Antonio Fernando Botero Rosas, D. A.
dc.contributor.author.none.fl_str_mv	Simpson, D. M. Catelli Infantosi, Antonio Fernando Botero Rosas, D. A.
dc.subject.es_CO.fl_str_mv	Cerebral blood flow Transcranial Doppler EEG Neonates Correlation Missing samples
topic	Cerebral blood flow Transcranial Doppler EEG Neonates Correlation Missing samples
description	6 páginas
publishDate	2001
dc.date.issued.none.fl_str_mv	2001-02-23
dc.date.available.none.fl_str_mv	2020-09-02T15:09:34Z
dc.date.accessioned.none.fl_str_mv	9/2/2020 10:09
dc.type.en.fl_str_mv	article
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dc.identifier.citation.es_CO.fl_str_mv	Simpson, D.M., Infantosi, A.F.C. & Botero Rosas, D.A. Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples. Med. Biol. Eng. Comput. 39, 428–433 (2001). https://doi.org/10.1007/BF02345364
dc.identifier.other.none.fl_str_mv	https://link.springer.com/article/10.1007/BF02345364 https://link.springer.com/content/pdf/10.1007/BF02345364.pdf
dc.identifier.uri.none.fl_str_mv	http://hdl.handle.net/10818/43140
dc.identifier.doi.none.fl_str_mv	10.1007/BF02345364
identifier_str_mv	Simpson, D.M., Infantosi, A.F.C. & Botero Rosas, D.A. Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples. Med. Biol. Eng. Comput. 39, 428–433 (2001). https://doi.org/10.1007/BF02345364 10.1007/BF02345364
url	https://link.springer.com/article/10.1007/BF02345364 https://link.springer.com/content/pdf/10.1007/BF02345364.pdf http://hdl.handle.net/10818/43140
dc.language.iso.es_CO.fl_str_mv	eng
language	eng
dc.relation.ispartofseries.none.fl_str_mv	Medical and Biological Engineering and Computing volume 39, pages428–433(2001)
dc.rights.*.fl_str_mv	Attribution-NonCommercial-NoDerivatives 4.0 International
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dc.publisher.es_CO.fl_str_mv	Medical and Biological Engineering and Computing
dc.source.es_CO.fl_str_mv	Universidad de La Sabana Intellectum Repositorio Universidad de La Sabana
institution	Universidad de la Sabana
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Estimation and significance testing of cross-correlation between cerebral blood flow velocity and background electro-encephalograph activity in signals with missing samples

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