BrainRegionLPC MM SOC

Superior Olivary Complex

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This page covers biological details of component Superior Olivary Complex. 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) -> Superior Olivary Complex (LPC.MM.SOC) (see Mind Maps)
• Type: nucleus
• Brain area: Lower Brain - Peripheral Control Area
• Role: processor.automatic
• Function: Bilateral Audition
• Notes to function: Projections from both left and right ABA.CN

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Components

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Component items:

• Periolivary Nucleus
• Preolivary Nucleus
• Superior Olive
  • Lateral Superior Olivary Nucleus
  • Medial Superior Olivary Nucleus
• Superior Paraolivary Nucleus
• Trapezoid Body Nucleus (ABA.MM.SOC.TZ)
  • Dorsal Nucleus of Trapezoid Body
  • Medial Nucleus of Trapezoid Body
  • Ventral Nucleus of Trapezoid Body

Connectivity

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Inbound Region Connections:

Source Area	Source Region	Source Name	Type	Reference
LPC	LPC.HL.VCOCH	Ventral Cochlear Nucleus	excitatory-glu	Auditory System in Brain (Cochlea -> Olive, abstract)

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Reference
LPC	LPC.HT.PN.LL	Nuclei of Lateral Lemniscus	excitatory-glu	Five Parallel Auditory Pathways (LSO -> DNLL)
	LPC.MM.CIC	Central Nucleus of Inferior Colliculus	excitatory-glu	Auditory System in Brain (Olive -> IC, abstract)
TSA	TARGET.TSA.EAR	Ear	ear-outer-hair-cells	Five Parallel Auditory Pathways (VNTB -> Cochlea)

Thirdparty Circuits

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• Five Parallel Auditory Pathways - see Reference

map: 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 (Dorsal Cochlear Nucleus (LPC.HL.DCOCH), Ventral Cochlear Nucleus (LPC.HL.VCOCH)), DNLL=Nuclei of Lateral Lemniscus,LPC.HT.PN.LL, GBC=Cochlear Nucleus,LPC.HL.COCH (Dorsal Cochlear Nucleus (LPC.HL.DCOCH), Ventral Cochlear Nucleus (LPC.HL.VCOCH)), ICC=Inferior Colliculus,ABA.MM.IC (Central Nucleus of Inferior Colliculus (LPC.MM.CIC), External Nucleus of Inferior Colliculus (LRC.MM.EIC)), ICx=Inferior Colliculus,ABA.MM.IC (Central Nucleus of Inferior Colliculus (LPC.MM.CIC), External Nucleus of Inferior Colliculus (LRC.MM.EIC)), LS=Hippocampal Formation,FMM.FT.HF, LSO=Superior Olivary Complex,LPC.MM.SOC, MC=Cochlear Nucleus,LPC.HL.COCH (Dorsal Cochlear Nucleus (LPC.HL.DCOCH), Ventral Cochlear Nucleus (LPC.HL.VCOCH)), MGB=Medial Geniculate Body,NSA.FD.TH.MGB, MSO=Superior Olivary Complex,LPC.MM.SOC, OC=Cochlear Nucleus,LPC.HL.COCH (Dorsal Cochlear Nucleus (LPC.HL.DCOCH), Ventral Cochlear Nucleus (LPC.HL.VCOCH)), SBC=Cochlear Nucleus,LPC.HL.COCH (Dorsal Cochlear Nucleus (LPC.HL.DCOCH), Ventral Cochlear Nucleus (LPC.HL.VCOCH)), SC=Superior Colliculus,MM.SC (Superficial Superior Colliculus (LRC.MM.SC.SUP), Intermediate Superior Colliculus (LRC.MM.SC.INT), Deep Superior Colliculus (LRC.MM.SC.DEEP)), VNLL=Nuclei of Lateral Lemniscus,LPC.HT.PN.LL, VNTB=Superior Olivary Complex,ABA.MM.SOC.TZ

• Auditory System in Brain - see Reference

map: A1=Primary Auditory Cortex,NSA.NC.TTG.A1, Cochlea=Cochlear Nucleus,LPC.HL.COCH (Dorsal Cochlear Nucleus (LPC.HL.DCOCH), Ventral Cochlear Nucleus (LPC.HL.VCOCH)), CochleaGanglion=Spiral Ganglion,LPC.PN.SG.SP, Ear=Ear,TARGET.TSA.EAR, IC=Inferior Colliculus,ABA.MM.IC (Central Nucleus of Inferior Colliculus (LPC.MM.CIC), External Nucleus of Inferior Colliculus (LRC.MM.EIC)), MGB=Medial Geniculate Body,NSA.FD.TH.MGB, Olive=Superior Olivary Complex,LPC.MM.SOC

• Visual-Auditory Interactions in Tectum - see Reference

map: AC=Primary Auditory Cortex,NSA.NC.TTG.A1, AM=Amygdala,FAM.FT.AM, CN=Cochlear Nucleus,LPC.HL.COCH (Dorsal Cochlear Nucleus (LPC.HL.DCOCH), Ventral Cochlear Nucleus (LPC.HL.VCOCH)), IC=Inferior Colliculus,ABA.MM.IC (Central Nucleus of Inferior Colliculus (LPC.MM.CIC), External Nucleus of Inferior Colliculus (LRC.MM.EIC)), MGB=Medial Geniculate Body,NSA.FD.TH.MGB, OC=Superior Olivary Complex,LPC.MM.SOC, PM=Premotor Cortex,NC.PMC, SC=Superior Colliculus,MM.SC (Superficial Superior Colliculus (LRC.MM.SC.SUP), Intermediate Superior Colliculus (LRC.MM.SC.INT), Deep Superior Colliculus (LRC.MM.SC.DEEP))

• Auditory System Model - see Reference

map: A1=Primary Auditory Cortex,NSA.NC.TTG.A1, Cochlea=Cochlear Nucleus,LPC.HL.COCH (Dorsal Cochlear Nucleus (LPC.HL.DCOCH), Ventral Cochlear Nucleus (LPC.HL.VCOCH)), CochleaGanglion=Spiral Ganglion,LPC.PN.SG.SP, Ear=Ear,TARGET.TSA.EAR, IC=Inferior Colliculus,ABA.MM.IC (Central Nucleus of Inferior Colliculus (LPC.MM.CIC), External Nucleus of Inferior Colliculus (LRC.MM.EIC)), MGB=Medial Geniculate Body,NSA.FD.TH.MGB, Olive=Superior Olivary Complex,LPC.MM.SOC

References

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• http://lifeboat.com/ex/law.of.accelerating.returns
• http://www.benbest.com/science/anatmind/anatmd6.html
• http://f1000research.com/articles/2-20/v1
• http://www.sciencedirect.com/science/article/pii/S1359644605035427