BrainRegionNPE NC BRA PO

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Broca's Area Pars Opercularis

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This page covers biological details of component Broca's Area Pars Opercularis. 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 Opercularis (NPE.NC.BRA.PO) (see Mind Maps)
  • Type: cortex
  • Quality: L0
  • Brain area: Neocortical Brain - Unimodal Execution Area (NPE)
  • Area circuit: Execution by Auditory Inputs (AES)
  • Brodmann ID: 44
  • Role: cortex.generic
  • Function: Speech Engine
  • Notes to function:
    • Orbital Inferior Frontal Gyrus




  • no child items defined



Inbound Region Connections:

Source Area Source Region Source Name Type Role Reference
NCP NCP.NC.TPC Temporopolar Cortex feedforward-glu uncertain Language-Related Regions (TC -> BA45, abstract)

Outbound Region Connections:

Target Area Target Region Target Name Type Role Reference
LLC LLC.HT.PRF.RTMG Pontine Reticulotegmental Nucleus excitatory-glu uncertain Motor neurons control (CTX -> PRF, abstract)
LRC LRC.HT.PRF.RPO Oral Pontine Reticular Nucleus excitatory-glu uncertain Motor neurons control (CTX -> PRF, abstract)
NPE NPE.NC.PMC.AFEF Anterior Frontal Eye Field feedforward-glu uncertain Cortical Auditory System (IFC44 -> PMC8, 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

CR=Cerebellum,LLC.HT.CR (see Cerebellar Complex)
CTX=Anterior Lobe,NC.LOBE.ANT
EAMN=Anterior/Ventral Horn,SC.VH
EGMN=Anterior/Ventral Horn,SC.VH
FAMN=Anterior/Ventral Horn,SC.VH
FG=Fastigual Nucleus,LRC.HT.CR.FG
IP=Interposed Nucleus,LLC.HT.CR.IP (see Cerebellar Complex)
LT=Dentate Nucleus,LLC.HT.CR.DN
MRF=Medullary Reticular Formation,HL.RF
PRF=Pontine Reticular Formation,HT.RF
RD=Red Nucleus,LLC.MM.RD
VB=Vestibular Nuclei,LPC.HT.VBN