Primary Auditory Cortex

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This page covers biological details of component Primary Auditory Cortex. Region is part of aHuman target integrated biological model.

Top-down path to region: Cerebral Cortex -> Temporal Lobe (NC.LOBE.TEMP) -> Transverse Temporal Gyrus (NSA.NC.TTG) -> Primary Auditory Cortex (NSA.NC.TTG.A1) (see Mind Maps)
Type: cortex
Brain area: Neocortical Brain - Sensory Aggregation Area
Brodmann ID: 41
Role: processor
Function: Main topotonic map, extract phonemes
Notes to function: Core

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Components

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Connectivity

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NSA.NC.TTG.A1.dot.png

Inbound Region Connections:

Source Area	Source Region	Source Name	Type	Reference
FAM	FAM.FT.AM.BM	Magnocellular Basal Amygdaloid Nucleus	excitatory-glu	Visual-Auditory Interactions in Tectum (AM -> AC, abstract)
NSA	NSA.FD.TH.MGB	Medial Geniculate Body	excitatory-glu	Thalamocortical relationships (MGN -> pMGN)

Outbound Region Connections:

Target Area	Target Region	Target Name	Type	Reference
LPC	LPC.MM.CIC	Central Nucleus of Inferior Colliculus	excitatory-glu	Visual-Auditory Interactions in Tectum (AC -> IC, abstract)
NMA	NMA.NC.PMC.F7	Dorsal Rostral Premotor Cortex	feedforward-glu	Dual Auditory Processing (A1 -> DLPFC, abstract)
NPE	NPE.NC.IPL.SMW	Supramarginal Wernike Cortex	feedforward-glu	Dual Auditory Processing (A1 -> PPC, abstract)
NSA	NSA.NC.STG.A3	Wernicke's area A3	feedforward-glu	Cortico-Cortical Connectivity (A1 -> AA)
	NSA.NC.STG.A4	Wernicke's area A4	feedforward-glu	Vocal Control (A1 -> Wernike)
	NSA.NC.TTG.A2	Auditory Association Area	feedforward-glu	Cortical Auditory System (Core41 -> Belt42)