BrainRegionLRC HL NPH

Prepositus Nucleus

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

• Top-down path to region: Hindbrain Myelencephalon -> Myelencephalic Motor Nuclei (HL.MN) -> Prepositus Nucleus (LRC.HL.NPH) (see Mind Maps)
• Type: nucleus
• Brain area: Lower Brain - Motor Reflex Area
• Role: relay
• Function: Integrate PPRF phasic signal to provide tonic signal of abducens
• Notes to function: Part of horizontal gaze holding system

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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	Reference
LMC	LMC.HT.TG.LDT	Laterodorsal Tegmental Nucleus	modulatory-ach	(unknown reference)
LPC	LPC.HT.MVBN	Medial Vestibular Nucleus	excitatory-glu	Head Direction Cell Circuit (MVSN -> NPRP)

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Reference
LLC	LLC.MM.SCNF	Subcuneiform Nucleus	excitatory-glu	(unknown reference)
LMC	LMC.HT.TG.DTG	Dorsal Tegmental Nucleus	excitatory-glu	(unknown reference)
LRC	LRC.HL.INM	Intercalated Nucleus of Medulla	excitatory-glu	(unknown reference)
	LRC.MM.PT.NOT	Nucleus of Optic Tract	excitatory-glu	(unknown reference)
NSA	NSA.FD.TH.SG	Suprageniculate Nucleus of Thalamus	excitatory-glu	Head Direction Cell Circuit (NPRP -> SUPGEN)

Thirdparty Circuits

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• Head Direction Cell Circuit - see Reference

References

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• http://www.scholarpedia.org/article/Head_direction_cells