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Conference Paper: Noninvasive fMRI investigation of interaural level difference processing in the rat subcortex
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TitleNoninvasive fMRI investigation of interaural level difference processing in the rat subcortex
 
AuthorsLau, C
Zhang, JW
Cheng, JS
Xing, KK
Zhou, IY
Cheung, MMH
Wu, EX
 
Issue Date2012
 
PublisherInternational Society of Magnetic Resonance in Medicine.
 
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. 2180 [How to Cite?]
 
AbstractInteraural level differences (ILDs) are important features for sound localization. Sound arrives at the ears with different sound pressure levels (SPLs) depending on the azimuth of the source. fMRI with seven ILD settings spanning ±18dB (higher SPL in left ear is positive) is used to examine a rat model of subcortical ILD processing. Results show the inferior colliculus and dorsal lateral lemniscus contralateral to the higher SPL ear respond with larger signal change. This asymmetry is not apparent in the cochlear nucleus and superior olivary complex. These findings demonstrate fMRI is an effective tool for examining subcortical ILD processing.
 
DescriptionTheme: Adapting MR in a Changing World
Traditional Poster Session - fMRI: Animal Neuroscience: no. 2180
 
DC FieldValue
dc.contributor.authorLau, C
 
dc.contributor.authorZhang, JW
 
dc.contributor.authorCheng, JS
 
dc.contributor.authorXing, KK
 
dc.contributor.authorZhou, IY
 
dc.contributor.authorCheung, MMH
 
dc.contributor.authorWu, EX
 
dc.date.accessioned2012-09-20T08:16:04Z
 
dc.date.available2012-09-20T08:16:04Z
 
dc.date.issued2012
 
dc.description.abstractInteraural level differences (ILDs) are important features for sound localization. Sound arrives at the ears with different sound pressure levels (SPLs) depending on the azimuth of the source. fMRI with seven ILD settings spanning ±18dB (higher SPL in left ear is positive) is used to examine a rat model of subcortical ILD processing. Results show the inferior colliculus and dorsal lateral lemniscus contralateral to the higher SPL ear respond with larger signal change. This asymmetry is not apparent in the cochlear nucleus and superior olivary complex. These findings demonstrate fMRI is an effective tool for examining subcortical ILD processing.
 
dc.description.naturelink_to_OA_fulltext
 
dc.descriptionTheme: Adapting MR in a Changing World
 
dc.descriptionTraditional Poster Session - fMRI: Animal Neuroscience: no. 2180
 
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. 2180
 
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. 2180 [How to Cite?]
 
dc.identifier.hkuros207266
 
dc.identifier.urihttp://hdl.handle.net/10722/165178
 
dc.languageeng
 
dc.publisherInternational Society of Magnetic Resonance in Medicine.
 
dc.publisher.placeAustralia
 
dc.relation.ispartofProceedings of the 20th Annual Meeting of the International Society of Magnetic Resonance in Medicine, ISMRM 2012
 
dc.titleNoninvasive fMRI investigation of interaural level difference processing in the rat subcortex
 
dc.typeConference_Paper
 
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<contributor.author>Zhou, IY</contributor.author>
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<description.abstract>Interaural level differences (ILDs) are important features for sound localization. Sound arrives at the ears with different sound pressure levels (SPLs) depending on the azimuth of the source. fMRI with seven ILD settings spanning &#177;18dB (higher SPL in left ear is positive) is used to examine a rat model of subcortical ILD processing. Results show the inferior colliculus and dorsal lateral lemniscus contralateral to the higher SPL ear respond with larger signal change. This asymmetry is not apparent in the cochlear nucleus and superior olivary complex. These findings demonstrate fMRI is an effective tool for examining subcortical ILD processing.</description.abstract>
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