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Conference Paper: Functional magnetic resonance imaging of the central auditory system following long-term and passive acoustic exposure at moderate sound pressure level

TitleFunctional magnetic resonance imaging of the central auditory system following long-term and passive acoustic exposure at moderate sound pressure level
Authors
Issue Date2013
PublisherISMRM.
Citation
The 21st Annual Meeting & Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2013), Salt Lake City, UT., 20-26 April 2013. In Society of Magnetic Resonance in Medicine Proceedings, 2013, v. 21, p. 3275 How to Cite?
AbstractMultiband (MB) EPI is a recent MRI technique that offers increased temporal and/or spatial resolution as well as increased temporal SNR due to increased temporal degrees-of-freedom (DoF). However, MB-EPI may exhibit increased motion sensitivity due to the combination of short TR with parallel imaging. In this study, the performance of MB-EPI with different acceleration factors was compared to that of standard EPI, with respect to subject motion. Although MB-EPI with 4 and 8 times acceleration exhibited some motion sensitivity, retrospective clean-up of the data using independent component analysis was successful at removing artefacts. By increasing temporal DoF, accelerated MB-EPI supports higher spatial resolution, with no loss in statistical significance compared to standard EPI. MB-EPI is therefore an important new technique capable of providing high resolution, temporally rich FMRI datasets for more interpretable mapping of the brain's functional networks. (Abstract by ISMRM)
DescriptionElectronic Poster Session: Functional MRI (neuro) - Resting State Connectivity: Methods
Persistent Identifierhttp://hdl.handle.net/10722/191641
ISSN

 

DC FieldValueLanguage
dc.contributor.authorLau, Cen_US
dc.contributor.authorZhang, JWen_US
dc.contributor.authorCheng, JSen_US
dc.contributor.authorZhou, IYen_US
dc.contributor.authorWu, EXen_US
dc.date.accessioned2013-10-15T07:14:49Z-
dc.date.available2013-10-15T07:14:49Z-
dc.date.issued2013en_US
dc.identifier.citationThe 21st Annual Meeting & Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2013), Salt Lake City, UT., 20-26 April 2013. In Society of Magnetic Resonance in Medicine Proceedings, 2013, v. 21, p. 3275en_US
dc.identifier.issn1557-3672-
dc.identifier.urihttp://hdl.handle.net/10722/191641-
dc.descriptionElectronic Poster Session: Functional MRI (neuro) - Resting State Connectivity: Methods-
dc.description.abstractMultiband (MB) EPI is a recent MRI technique that offers increased temporal and/or spatial resolution as well as increased temporal SNR due to increased temporal degrees-of-freedom (DoF). However, MB-EPI may exhibit increased motion sensitivity due to the combination of short TR with parallel imaging. In this study, the performance of MB-EPI with different acceleration factors was compared to that of standard EPI, with respect to subject motion. Although MB-EPI with 4 and 8 times acceleration exhibited some motion sensitivity, retrospective clean-up of the data using independent component analysis was successful at removing artefacts. By increasing temporal DoF, accelerated MB-EPI supports higher spatial resolution, with no loss in statistical significance compared to standard EPI. MB-EPI is therefore an important new technique capable of providing high resolution, temporally rich FMRI datasets for more interpretable mapping of the brain's functional networks. (Abstract by ISMRM)-
dc.languageengen_US
dc.publisherISMRM.-
dc.relation.ispartofSociety of Magnetic Resonance in Medicine Proceedingsen_US
dc.titleFunctional magnetic resonance imaging of the central auditory system following long-term and passive acoustic exposure at moderate sound pressure levelen_US
dc.typeConference_Paperen_US
dc.identifier.emailZhou, IY: iriszhou@eee.hku.hken_US
dc.identifier.emailWu, EX: ewu1@hkucc.hku.hken_US
dc.identifier.authorityZhou, IY=rp01739en_US
dc.identifier.authorityWu, EX=rp00193en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.hkuros226013en_US
dc.identifier.volume21-
dc.identifier.spage3275en_US
dc.identifier.epage3275en_US
dc.publisher.placeUnited Statesen_US

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