BrainRegionLRC MM CJ

Cajal Nucleus

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

• Top-down path to region: Midbrain Mesencephalon -> Reflexes Nuclei of Midbrain Mesencephalon (MM.REF) -> Visual Reflexes Nuclei of Midbrain Mesencephalon (MM.REF.VIS) -> Supraoculomotor Area (VBA.MM.SOA) -> Cajal Nucleus (LRC.MM.CJ) (see Mind Maps)
• Type: nucleus
• Brain area: Lower Brain - Motor Reflex Area
• Role: relay
• Function: Integration of head and eye movements, controls downward vertical gaze
• Notes to function: Projects to CN3, CN4 nuclei, rotation of body about its long axis, Project to vestibular nuclei

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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
LPC	LPC.HM.VCOCH	Ventral Cochlear Nucleus	excitatory-glu	(unknown reference)
LRC	LRC.MM.SC.DEEP	Deep Superior Colliculus	excitatory-glu	[of eye movement control (SC -> riMLF, abstract)]
NMA	NMA.NC.PMC.AFEF	Anterior Frontal Eye Field	excitatory-glu	[of eye movement control (FEF -> riMLF, abstract)]
NPE	NPE.NC.IPS.LIP	Lateral Intraparietal Sulcus	excitatory-glu	[Components (VAC -> SOA, abstract)]
	NPE.NC.OCC.V3	Associative Visual Cortex	excitatory-glu	[blink reflex and pupillary light reflex (VAC -> SupraOculomotor, abstract)]

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Reference
LPC	LPC.MM.OCN	Oculomotor Nucleus	excitatory-glu	[blink reflex and pupillary light reflex (SupraOculomotor -> Oculomotor, abstract)]
	LPC.MM.TRH	Trochlear Nucleus	excitatory-glu	(unknown reference)

Thirdparty Circuits

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• [and smooth movements] (unknown reference)

• [of eye movement control] - see [[1]]

References

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• http://www.cixip.com/index.php/page/content/id/1190