BrainRegionLPC HT SVBN

Superior Vestibular Nucleus

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This page covers biological details of component Superior Vestibular Nucleus. Region is part of aHuman target integrated biological model.

• Top-down path to region: Hindbrain Metencephalon -> Vestibular Nuclei (LPC.HT.VBN) -> Superior Vestibular Nucleus (LPC.HT.SVBN) (see Mind Maps)
• Type: nucleus
• Quality: L0
• Brain area: Lower Brain - Peripheral Control Area (LPC)
• Area circuit: Vestibular Sensory and Motor (AVB)
• Role: sensory.nucleus
• Function: conscious perception of movement and gravity
• Notes to function:
  • to oculomotor, trochlear, abducens, accessory oculomotor
  • to VPI

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Components

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• no child items defined

Connectivity

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Inbound Region Connections:

Source Area	Source Region	Source Name	Type	Role	Reference
LPC	LPC.PN.SG.CVB	Vestibular Ganglion - Semicircular Canal Neurons	excitatory-glu	uncertain	Cerebellum functional divisions (VBG -> VB, abstract)
LRC	LRC.HT.CR.FN	Cerebellar Flocconodular Lobe	inhibitory-gaba	uncertain	(unknown reference)

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Role	Reference
LPC	LPC.MM.OCN	Oculomotor Nucleus	excitatory-glu	uncertain	(unknown reference)
	LPC.MM.TRH	Trochlear Nucleus	excitatory-glu	uncertain	(unknown reference)
NSA	NSA.FD.TH.SG	Suprageniculate Nucleus of Thalamus	excitatory-glu	uncertain	(unknown reference)

Thirdparty Circuits

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• Horizontal saccades and smooth pursuit movements - see Reference (CP.VISION-SACCADES)

Bechterew=Pontine Reticulotegmental Nucleus,LLC.HT.PRF.RTMG
CR=Cerebellum,LLC.HT.CR (see Cerebellar Complex)
FEFSEF=Anterior Lobe,NC.LOBE.ANT
LGB=Lateral Geniculate Nucleus,NSA.FD.LGN
PPRF=Paramedian Pontine Reticular Formation,HT.PRF.PPRF (see Pontine Reticular Formation)
PrimaryVisual=Primary Visual Cortex,NSA.NC.OCC.V1
RIP=Raphe Interpositus Nucleus,LRC.MM.RP.RIP
SC=Superior Colliculus,MM.SC (see Reflexes Nuclei of Midbrain Mesencephalon)
Striatum=Striatum,FEC.FT.ST (see Basal Ganglia)
Vestibular=Superior Vestibular Nucleus,LPC.HT.SVBN
VisualAssociation=Caudal Precuneus,NPE.NC.SPL.PG

References

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• http://www.sciencedirect.com/science/article/pii/S0006899301025987