BrainRegionNCP NC PG S2

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Secondary Somatosensory Cortex

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

  • Top-down path to region: Cerebral Cortex -> Parietal Lobe (NC.LOBE.PAR) -> Postcentral Gyrus (NC.PG) -> Lateral Parietal Cortex (NC.PG.LPC) -> Secondary Somatosensory Cortex (NCP.NC.PG.S2) (see Mind Maps)
  • Type: cortex
  • Quality: L0
  • Brain area: Neocortical Brain - Conscious Personality Area (NCP)
  • Area circuit: Neocortical Somatic Aggregation (SOM)
  • Brodmann ID: 40
  • Role: cortex.generic
  • Function: Sensorimotor integration, integration of information from two body halves
  • Notes to function:
    • BA 1/3b
    • projects to PV/7b/INS/AM/HC




  • no child items defined



Inbound Region Connections:

Source Area Source Region Source Name Type Role Reference
NCP NCP.FD.TH.VPI Ventral Posteroinferior Nucleus excitatory-glu uncertain Afferent pain pathways (Thalamus -> S2, abstract)
NCP.FD.TH.VPL Ventral Posterolateral Nucleus excitatory-glu uncertain Afferent pain pathways (Thalamus -> S2, abstract)
NCP.FD.TH.VPM Ventral Posteromedial Nucleus excitatory-glu uncertain Afferent pain pathways (Thalamus -> S2, abstract)
NCP.NC.PG.S1 Primary Somatosensory Cortex feedforward-glu uncertain Afferent pain pathways (S1 -> S2)

Outbound Region Connections:

Target Area Target Region Target Name Type Role Reference
NCP NCP.NC.PG.PV Parietal Ventral Cortex feedforward-glu uncertain (unknown reference)
NMA NMA.NC.MC Motor Cortex feedforward-glu uncertain Global visual system (ParietalCortex -> FrontalCortex, abstract)
NPE NPE.NC.IPL.SMW Supramarginal Wernike Cortex feedforward-glu uncertain (unknown reference)
NPE.NC.SPL.PF Rostral Precuneus feedforward-glu uncertain (unknown reference)

Thirdparty Circuits


ATH=Anterior Nucleus of Thalamus,FD.TH.AN (see Cognitive Thalamus)
BGA=Basal Ganglia,FEC.FT.BG
FrontalCortex=Anterior Lobe,NC.LOBE.ANT
LGN=Lateral Geniculate Nucleus,NSA.FD.LGN
OPN=Oculomotor Nucleus,LPC.MM.OCN
ParietalCortex=Parietal Lobe,NC.LOBE.PAR
Pulvinar=Pulvinar,FD.PV (see Sensory Thalamus)
RF=Pontine Reticular Formation,HT.RF
Retina=Retinal Nucleus,LPC.FD.RT
SCi=Superior Colliculus,MM.SC (see Reflexes Nuclei of Midbrain Mesencephalon)
SCs=Superior Colliculus,MM.SC (see Reflexes Nuclei of Midbrain Mesencephalon)
SNc=Substantia Nigra Pars Compacta Lateral,FEC.FT.SNC.LT
SNr=Substantia Nigra Pars Reticulata Dorsolateral,FEC.FT.SNR.DL
SpinalCord=Lamina IX,SC.VH.L9 (see Anterior/Ventral Horn)
Striatum=Striatum,FEC.FT.ST (see Basal Ganglia)
VisualCortex=Occipital Lobe,NC.LOBE.OCC

ACC=Anterior Cingulate Cortex,NC.AL.ACG (see Anterior Cingulate Area)
BG=Basal Ganglia,FEC.FT.BG
Cerebellum=Cerebellar Complex,LLC.HT.CRC
Insula=Insular Cortex,NC.INS
PAG=Periaqueductal Gray Matter,LMC.MM.PAG
PB=Parabrachial Nucleus,LPC.HT.PRF.PB
PFC=Prefrontal Cortex,NC.AL.PFC
S1=Primary Somatosensory Cortex,NCP.NC.PG.S1
S2=Secondary Somatosensory Cortex,NCP.NC.PG.S2
SC=Posterior/Dorsal Horn,BMA.SC.PH
Thalamus=Sensory Thalamus,FD.TH.SR