BrainRegionNPE NC BRA PT

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Broca's Area Pars Triangularis

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This page covers biological details of component Broca's Area Pars Triangularis. Region is part of aHuman target integrated biological model.

  • Top-down path to region: Cerebral Cortex -> Anterior Lobe (NC.LOBE.ANT) -> Prefrontal Cortex (NC.AL.PFC) -> Lateral Prefrontal Cortex (NC.AL.LPFC) -> Ventrolateral Prefrontal Cortex (NC.AL.VLPFC) -> Broca's Area (NPE.NC.PFC.BRA) -> Broca's Area Pars Triangularis (NPE.NC.BRA.PT) (see Mind Maps)
  • Type: cortex
  • Quality: L0
  • Brain area: Neocortical Brain - Unimodal Execution Area (NPE)
  • Area circuit: Execution by Auditory Inputs (AES)
  • Brodmann ID: 45
  • Role: cortex.generic
  • Function: Language production and prefrontal associational integration, propositional language comprehension
  • Notes to function:
    • Triangular Inferior Frontal Gyrus, switching between semantic sub-categories in word retrieval




  • no child items defined



Inbound Region Connections:

Source Area Source Region Source Name Type Role Reference
NSA NSA.NC.STG.A3 Wernicke's area A3 feedforward-glu uncertain Cortical Auditory System (STS22 -> IFC45, abstract)
NSA.NC.STG.A4 Wernicke's area A4 feedforward-glu uncertain Language-Related Regions (pSTC -> BA44, abstract)

Outbound Region Connections:

Target Area Target Region Target Name Type Role Reference
NPE NPE.NC.IPL.SMW Supramarginal Wernike Cortex feedforward-glu uncertain Cortical Auditory System (IFC44 -> IPL40, abstract)

Thirdparty Circuits


AC22=Wernicke's area A4,NSA.NC.STG.A4
Belt42=Auditory Association Area,NSA.NC.TTG.A2
Core41=Primary Auditory Cortex,NSA.NC.TTG.A1
IFC44=Broca's Area,NPE.NC.PFC.BRA (see Lateral Prefrontal Cortex)
IFC45=Broca's Area,NPE.NC.PFC.BRA (see Lateral Prefrontal Cortex)
IPL40=Supramarginal Gyrus,NC.IPL.SMG (see Inferior Parietal Lobule)
PMC6=Ventral Premotor Cortex,MCA.NC.VPMC (see Premotor Cortex)
PMC8=Anterior Frontal Eye Field,NPE.NC.PMC.AFEF
STS22=Wernicke's area A3,NSA.NC.STG.A3