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Conference Paper: fMRI study of sound pressure level processing in the Central Auditory System

TitlefMRI study of sound pressure level processing in the Central Auditory System
Authors
Zhang, JWLau, CCheng, JSXing, KKZhou, IYCheung, MMHWu, EX
Issue Date2012
PublisherInternational Society of Magnetic Resonance in Medicine.
Citation
The 20th Annual Meeting & Exihibition of the International Society of Magnetic Resonance in Medicine (ISMRM 2012), Melbourne, Australia, 5-11 May 2012. In Proceedings of the 20th ISMRM, 2012, no. 2898 How to Cite?
AbstractIntensity is an important physical property of the sound wave and is usually reported as sound pressure level (SPL). This study examines the fMRI hemodynamic responses in the rat inferior colliculus (IC), lateral lemniscus (LL), medial geniculate body (MGB) and auditory cortex (AC) over a broad 72dB SPL range using sparse temporal sampling. The BOLD signal change increases significantly with SPL in IC and LL, but not in MGB and AC, which agrees with electrophysiology findings. This is the first fMRI observation of differences in SPL dependences between auditory structures and furthers our understanding of SPL processing.
DescriptionTheme: Adapting MR in a Changing World
Electronic Poster Session - fMRI: Neuroscience Applications & Brain Physiology: no. 2898 (computer no. 79)
Persistent Identifierhttp://hdl.handle.net/10722/165192

 

DC FieldValueLanguage
dc.contributor.authorZhang, JWen_US
dc.contributor.authorLau, Cen_US
dc.contributor.authorCheng, JSen_US
dc.contributor.authorXing, KKen_US
dc.contributor.authorZhou, IYen_US
dc.contributor.authorCheung, MMHen_US
dc.contributor.authorWu, EX-
dc.date.accessioned2012-09-20T08:16:10Z-
dc.date.available2012-09-20T08:16:10Z-
dc.date.issued2012en_US
dc.identifier.citationThe 20th Annual Meeting & Exihibition of the International Society of Magnetic Resonance in Medicine (ISMRM 2012), Melbourne, Australia, 5-11 May 2012. In Proceedings of the 20th ISMRM, 2012, no. 2898en_US
dc.identifier.urihttp://hdl.handle.net/10722/165192-
dc.descriptionTheme: Adapting MR in a Changing World-
dc.descriptionElectronic Poster Session - fMRI: Neuroscience Applications & Brain Physiology: no. 2898 (computer no. 79)-
dc.description.abstractIntensity is an important physical property of the sound wave and is usually reported as sound pressure level (SPL). This study examines the fMRI hemodynamic responses in the rat inferior colliculus (IC), lateral lemniscus (LL), medial geniculate body (MGB) and auditory cortex (AC) over a broad 72dB SPL range using sparse temporal sampling. The BOLD signal change increases significantly with SPL in IC and LL, but not in MGB and AC, which agrees with electrophysiology findings. This is the first fMRI observation of differences in SPL dependences between auditory structures and furthers our understanding of SPL processing.-
dc.languageengen_US
dc.publisherInternational Society of Magnetic Resonance in Medicine.-
dc.relation.ispartofProceedings of the 20th Annual Meeting of the International Society of Magnetic Resonance in Medicine, ISMRM 2012en_US
dc.titlefMRI study of sound pressure level processing in the Central Auditory Systemen_US
dc.typeConference_Paperen_US
dc.identifier.emailLau, C: conlau@hku.hken_US
dc.identifier.emailXing, KK: kylexing@gmail.com-
dc.identifier.emailZhou, IY: iriszhou@eee.hku.hk-
dc.identifier.emailCheung, MMH: thew@hku.hk-
dc.identifier.emailWu, EX: ewu@eee.hku.hk-
dc.identifier.authorityWu, EX=rp00193en_US
dc.description.naturelink_to_OA_fulltext-
dc.identifier.hkuros207480en_US
dc.publisher.placeAustralia-
dc.description.otherThe 20th Annual Meeting & Exihibition of the International Society of Magnetic Resonance in Medicine (ISMRM 2012), Melbourne, Australia, 5-11 May 2012. In Proceedings of the 20th ISMRM, 2012, no. 2898-

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