Quantitative aspects of brain perfusion dynamic induced by BOLD fMRI

Detalhes bibliográficos
Autor(a) principal: Andrade,Katia C.
Data de Publicação: 2006
Outros Autores: Pontes-Neto,Octavio M., Leite,Joao P., Santos,Antonio Carlos, Baffa,Oswaldo, Araujo,Draulio B. de
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Arquivos de neuro-psiquiatria (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2006000600001
Resumo: The increase of relative cerebral blood flow (rCBF) may contribute for a change in blood oxygenation level dependent signal (BOLD). The main purpose of this study is to investigate some aspects of perfusional alterations in the human brain in response to a uniform stimulation: hypercapnia induced by breath holding. It was observed that the BOLD signal increased globally during hypercapnia and that it is correlated with the time of breath holding. This signal increase shows a clear distinction between gray and white matter, being greater in the grey matter.
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spelling Quantitative aspects of brain perfusion dynamic induced by BOLD fMRIfunctional MRIfMRIBOLDperfusionThe increase of relative cerebral blood flow (rCBF) may contribute for a change in blood oxygenation level dependent signal (BOLD). The main purpose of this study is to investigate some aspects of perfusional alterations in the human brain in response to a uniform stimulation: hypercapnia induced by breath holding. It was observed that the BOLD signal increased globally during hypercapnia and that it is correlated with the time of breath holding. This signal increase shows a clear distinction between gray and white matter, being greater in the grey matter.Academia Brasileira de Neurologia - ABNEURO2006-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2006000600001Arquivos de Neuro-Psiquiatria v.64 n.4 2006reponame:Arquivos de neuro-psiquiatria (Online)instname:Academia Brasileira de Neurologiainstacron:ABNEURO10.1590/S0004-282X2006000600001info:eu-repo/semantics/openAccessAndrade,Katia C.Pontes-Neto,Octavio M.Leite,Joao P.Santos,Antonio CarlosBaffa,OswaldoAraujo,Draulio B. deeng2006-12-21T00:00:00Zoai:scielo:S0004-282X2006000600001Revistahttp://www.scielo.br/anphttps://old.scielo.br/oai/scielo-oai.php||revista.arquivos@abneuro.org1678-42270004-282Xopendoar:2006-12-21T00:00Arquivos de neuro-psiquiatria (Online) - Academia Brasileira de Neurologiafalse
dc.title.none.fl_str_mv Quantitative aspects of brain perfusion dynamic induced by BOLD fMRI
title Quantitative aspects of brain perfusion dynamic induced by BOLD fMRI
spellingShingle Quantitative aspects of brain perfusion dynamic induced by BOLD fMRI
Andrade,Katia C.
functional MRI
fMRI
BOLD
perfusion
title_short Quantitative aspects of brain perfusion dynamic induced by BOLD fMRI
title_full Quantitative aspects of brain perfusion dynamic induced by BOLD fMRI
title_fullStr Quantitative aspects of brain perfusion dynamic induced by BOLD fMRI
title_full_unstemmed Quantitative aspects of brain perfusion dynamic induced by BOLD fMRI
title_sort Quantitative aspects of brain perfusion dynamic induced by BOLD fMRI
author Andrade,Katia C.
author_facet Andrade,Katia C.
Pontes-Neto,Octavio M.
Leite,Joao P.
Santos,Antonio Carlos
Baffa,Oswaldo
Araujo,Draulio B. de
author_role author
author2 Pontes-Neto,Octavio M.
Leite,Joao P.
Santos,Antonio Carlos
Baffa,Oswaldo
Araujo,Draulio B. de
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Andrade,Katia C.
Pontes-Neto,Octavio M.
Leite,Joao P.
Santos,Antonio Carlos
Baffa,Oswaldo
Araujo,Draulio B. de
dc.subject.por.fl_str_mv functional MRI
fMRI
BOLD
perfusion
topic functional MRI
fMRI
BOLD
perfusion
description The increase of relative cerebral blood flow (rCBF) may contribute for a change in blood oxygenation level dependent signal (BOLD). The main purpose of this study is to investigate some aspects of perfusional alterations in the human brain in response to a uniform stimulation: hypercapnia induced by breath holding. It was observed that the BOLD signal increased globally during hypercapnia and that it is correlated with the time of breath holding. This signal increase shows a clear distinction between gray and white matter, being greater in the grey matter.
publishDate 2006
dc.date.none.fl_str_mv 2006-12-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2006000600001
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2006000600001
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0004-282X2006000600001
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Academia Brasileira de Neurologia - ABNEURO
publisher.none.fl_str_mv Academia Brasileira de Neurologia - ABNEURO
dc.source.none.fl_str_mv Arquivos de Neuro-Psiquiatria v.64 n.4 2006
reponame:Arquivos de neuro-psiquiatria (Online)
instname:Academia Brasileira de Neurologia
instacron:ABNEURO
instname_str Academia Brasileira de Neurologia
instacron_str ABNEURO
institution ABNEURO
reponame_str Arquivos de neuro-psiquiatria (Online)
collection Arquivos de neuro-psiquiatria (Online)
repository.name.fl_str_mv Arquivos de neuro-psiquiatria (Online) - Academia Brasileira de Neurologia
repository.mail.fl_str_mv ||revista.arquivos@abneuro.org
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