BrainRegionLRC MM EIC

External Nucleus of Inferior Colliculus

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

• Top-down path to region: Midbrain Mesencephalon -> Reflexes Nuclei of Midbrain Mesencephalon (MM.REF) -> Auditory Reflexes Nuclei of Midbrain Mesencephalon (MM.REF.AUD) -> Inferior Colliculus (ABA.MM.IC) -> External Nucleus of Inferior Colliculus (LRC.MM.EIC) (see Mind Maps)
• Type: nucleus
• Quality: L0
• Brain area: Lower Brain - Motor Reflex Area (LRC)
• Area circuit: Multisensory Orienting Reflexes (LRM)
• Role: processor.automatic
• Function: Middle ear reflex

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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.MM.CIC	Central Nucleus of Inferior Colliculus	excitatory-glu	uncertain	Five Parallel Auditory Pathways (ICC -> ICx, abstract)

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Role	Reference
LRC	LRC.MM.SC.INT	Intermediate Superior Colliculus	excitatory-glu	uncertain	Five Parallel Auditory Pathways (ICx -> SC, abstract)

Thirdparty Circuits

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• Five Parallel Auditory Pathways - see Reference (CP.FIVE-AUDITORY-PATHWAYS)

AC=Primary Auditory Cortex,NSA.NC.TTG.A1
Cochlea=Ear,TARGET.TSA.EAR
CochleaGanglion=Spiral Ganglion,LPC.PN.SG.SP
DCN=Cochlear Nucleus,LPC.HL.COCH (see Myelencephalic Sensory Nuclei)
DNLL=Nuclei of Lateral Lemniscus,LPC.HT.PN.LL
GBC=Cochlear Nucleus,LPC.HL.COCH (see Myelencephalic Sensory Nuclei)
ICC=Inferior Colliculus,ABA.MM.IC (see Reflexes Nuclei of Midbrain Mesencephalon)
ICx=Inferior Colliculus,ABA.MM.IC (see Reflexes Nuclei of Midbrain Mesencephalon)
LS=Hippocampal Formation,FMM.FT.HF
LSO=Superior Olivary Complex,LPC.MM.SOC
MC=Cochlear Nucleus,LPC.HL.COCH (see Myelencephalic Sensory Nuclei)
MGB=Medial Geniculate Body,NSA.FD.TH.MGB
MSO=Superior Olivary Complex,LPC.MM.SOC
OC=Cochlear Nucleus,LPC.HL.COCH (see Myelencephalic Sensory Nuclei)
SBC=Cochlear Nucleus,LPC.HL.COCH (see Myelencephalic Sensory Nuclei)
SC=Superior Colliculus,MM.SC (see Reflexes Nuclei of Midbrain Mesencephalon)
VNLL=Nuclei of Lateral Lemniscus,LPC.HT.PN.LL
VNTB=Superior Olivary Complex,ABA.MM.SOC.TZ

References

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• http://lifeboat.com/ex/law.of.accelerating.returns