Global Chaotic Parameters of Heart Rate Variability During Mental Task

dc.contributor.authorFontes, Anne M. G. [UNESP]
dc.contributor.authorGarner, David M.
dc.contributor.authorDe Abreu, Luiz Carlos
dc.contributor.authorBarbosa, Juliana C. [UNESP]
dc.contributor.authorDe Assis, Elisangela Vilar
dc.contributor.authorDe Souza, Ana Cecilia A.
dc.contributor.authorPorto, Andrey A. [UNESP]
dc.contributor.authorValenti, Vitor E. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionOxford Brookes Univ
dc.contributor.institutionFac Med ABC
dc.date.accessioned2018-11-26T15:30:35Z
dc.date.available2018-11-26T15:30:35Z
dc.date.issued2016-05-01
dc.description.abstractWe aimed to evaluate the novel chaotic global techniques of heart rate variability (HRV) analysis during a specific autonomic test, the mental arithmetic overload test. These are spectral detrended fluctuation analysis and spectral multi-taper method; in addition to spectral entropy. We analyzed 24 healthy male students-all nonsmokers, aged between 18 and 22 years old. HRV was analyzed in the following periods: control protocol-the 10-min periods before the performance of the task and the 5-min periods during the performance of the test. Following tests for normality; Kruskal-Wallis technique and principal component analysis-it was decided that this type ofmental stimulation did not lead to significant changes in any of the seven combinations of chaotic globals. In conclusion, it was suggested that the time-series be increased to 1000 RR intervals (at least 20 min of electrocardiographic data) and standard nonlinear methods be introduced in combination with spectral factors as a way of increasing the statistical significance. (C) 2015 Wiley Periodicals, Inc.en
dc.description.affiliationUNESP, CESNA, Fac Filosofia & Ciencias, Ave Hygino Muzzi Filho 737, BR-17525000 Marilia, SP, Brazil
dc.description.affiliationOxford Brookes Univ, Fac Hlth & Life Sci, Dept Biol & Med Sci, Cardioresp Res Grp, Gipsy Lane, Oxford OX3 0BP, England
dc.description.affiliationFac Med ABC, Dept Morfol & Fisiol, Ave Principe Gaes 821, BR-09060650 Santo Andre, SP, Brazil
dc.description.affiliationUnespUNESP, CESNA, Fac Filosofia & Ciencias, Ave Hygino Muzzi Filho 737, BR-17525000 Marilia, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: 2013/05102-6
dc.format.extent300-307
dc.identifierhttp://dx.doi.org/10.1002/cplx.21656
dc.identifier.citationComplexity. London: Wiley-hindawi, v. 21, n. 5, p. 300-307, 2016.
dc.identifier.doi10.1002/cplx.21656
dc.identifier.fileWOS000379935200027.pdf
dc.identifier.issn1076-2787
dc.identifier.urihttp://hdl.handle.net/11449/158975
dc.identifier.wosWOS:000379935200027
dc.language.isoeng
dc.publisherWiley-Blackwell
dc.relation.ispartofComplexity
dc.relation.ispartofsjr0,531
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectcardiovascular system
dc.subjectautonomic nervous system
dc.subjectmental stimulation
dc.subjectchaos
dc.titleGlobal Chaotic Parameters of Heart Rate Variability During Mental Tasken
dc.typeArtigo
dcterms.licensehttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dcterms.rightsHolderWiley-Blackwell

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