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Conference Paper: Neuronal responses in the y group nucleus of unilaterally labyrinthectomized cats during off-vertical axis rotations

TitleNeuronal responses in the y group nucleus of unilaterally labyrinthectomized cats during off-vertical axis rotations
Authors
KeywordsCat
Otoliths
Spatial information
Unilateral labyrinthectomy
y group neurons
Issue Date1995
PublisherAmerican Chemical Society. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00016489.asp
Citation
Acta Oto-Laryngologica, Supplement, 1995 n. 519, p. 158-161 How to Cite?
AbstractIn cats which were decerebrated and unilaterally labyrinthectomized on the day of the experiment, the responses of neurons in the y group nucleus on the lesioned side were studied during constant velocity off-vertical axis rotations, which selectively stimulated the remaining intact otolith receptors. During 360° rotations, neurons exhibited position-dependent modulation in discharge rate, thus showing that the y group neurons receive signals of head positional changes from the contralateral otoliths. Most y group neurons had their best response orientations within ±45° of the head-up and head-down positions (i.e. antero-posterior or pitch direction) in the plane of rotation studied. This implies that the spatial coding property of these otolith neurons enables them to be particularly catered for small head tilts about the sagittal plane of the animal.
Persistent Identifierhttp://hdl.handle.net/10722/81170
ISSN
2013 SCImago Journal Rankings: 0.174

 

DC FieldValueLanguage
dc.contributor.authorChan, YSen_HK
dc.date.accessioned2010-09-06T08:14:37Z-
dc.date.available2010-09-06T08:14:37Z-
dc.date.issued1995en_HK
dc.identifier.citationActa Oto-Laryngologica, Supplement, 1995 n. 519, p. 158-161en_HK
dc.identifier.issn0365-5237en_HK
dc.identifier.urihttp://hdl.handle.net/10722/81170-
dc.description.abstractIn cats which were decerebrated and unilaterally labyrinthectomized on the day of the experiment, the responses of neurons in the y group nucleus on the lesioned side were studied during constant velocity off-vertical axis rotations, which selectively stimulated the remaining intact otolith receptors. During 360° rotations, neurons exhibited position-dependent modulation in discharge rate, thus showing that the y group neurons receive signals of head positional changes from the contralateral otoliths. Most y group neurons had their best response orientations within ±45° of the head-up and head-down positions (i.e. antero-posterior or pitch direction) in the plane of rotation studied. This implies that the spatial coding property of these otolith neurons enables them to be particularly catered for small head tilts about the sagittal plane of the animal.en_HK
dc.languageengen_HK
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/00016489.aspen_HK
dc.relation.ispartofActa Oto-Laryngologica, Supplementen_HK
dc.subjectCaten_HK
dc.subjectOtolithsen_HK
dc.subjectSpatial informationen_HK
dc.subjectUnilateral labyrinthectomyen_HK
dc.subjecty group neuronsen_HK
dc.titleNeuronal responses in the y group nucleus of unilaterally labyrinthectomized cats during off-vertical axis rotationsen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1936-0851&volume=519&spage=158&epage=161&date=1995&atitle=Neuronal+responses+in+the+y+group+nucleus+of+unilaterally+labyrinthectomized+cats+during+off-vertical+axis+rotationsen_HK
dc.identifier.emailChan, YS: yschan@hkucc.hku.hken_HK
dc.identifier.authorityChan, YS=rp00318en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.pmid7610855-
dc.identifier.scopuseid_2-s2.0-0028987779en_HK
dc.identifier.hkuros3018en_HK
dc.identifier.issue519en_HK
dc.identifier.spage158en_HK
dc.identifier.epage161en_HK
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridChan, YS=7403676627en_HK

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