BrainCenterNC IPL

Inferior Parietal Lobule

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This page covers biological details of component group Inferior Parietal Lobule. Component group is part of aHuman target integrated biological model.

• Top-down path to center: Cerebral Cortex -> Parietal Lobe (NC.LOBE.PAR) -> Inferior Parietal Lobule (NC.IPL) (see Mind Maps)
• Function:
• Notes to function: in humans=BA39,40, in monkey=BA7

(generated)

Components

(generated)

Component items:

• Angular Gyrus (NC.IPL.AG)
  • Medial Superior Temporal Area (NPE.NC.IPL.MST): Image stabilization, predictive target tracking
• Supramarginal Gyrus (NC.IPL.SMG)
  • Supramarginal Wernike Cortex (NPE.NC.IPL.SMW): Phonological and articulatory processing of words

Connectivity

(generated)

Internal Regions Connections:

Source Region	Target Region	Reference
Medial Superior Temporal Area (NPE.NC.IPL.MST)	Supramarginal Wernike Cortex (NPE.NC.IPL.SMW)	Visual Dorsal Pathway (MST -> IPL, abstract)

External Connections:

External Inbound Center Connections:

Source Center	Reference
Thalamus (FD.TH)	Global visual system (Pulvinar -> ParietalCortex, abstract)
Lateral Prefrontal Cortex (NC.AL.LPFC)	Cortical Auditory System (IFC44 -> IPL40, abstract)
Occipital Lobe (NC.LOBE.OCC)	Paths from Retina to Parietal Cortex and IT (MT -> MST)
Anterior Parietal Cortex (NC.PG.APC)	Cortico-Cortical Connectivity (S1 -> PTHA, abstract)
Lateral Parietal Cortex (NC.PG.LPC)	(unknown reference)
Superior Temporal Gyrus (NC.STG)	Cortico-Cortical Connectivity (AA -> PTHA, abstract)
Intraparietal Sulcus (NSA.NC.IPS)	3 Visual Cortex Paths (IPS -> IPL, abstract)
Transverse Temporal Gyrus (NSA.NC.TTG)	Dual Auditory Processing (A1 -> PPC, abstract)

External Outbound Center Connections:

Target Center	Reference
Hippocampal Formation (FMM.FT.HF)	Contribution of hippocampal region CA3 to consciousness (IPL -> CA1, abstract)
Posterior Parahippocampal Gyrus (FMM.NC.PHP)	Head Direction Cell Circuit (PC -> PRHC, abstract)
Reflexes Nuclei of Midbrain Mesencephalon (MM.REF)	Global visual system (ParietalCortex -> SCi, abstract)
Anterior Cingulate Area (NC.ACG)	Global visual system (ParietalCortex -> FrontalCortex, abstract)
Lateral Prefrontal Cortex (NC.AL.LPFC)	Cortico-Cortical Connectivity (PTHA -> PFC, abstract)
Medial Parietal Lobule (NC.MPL)	Contribution of hippocampal region CA3 to consciousness (IPL -> PosteriorCingulate, abstract)
Premotor Cortex (NC.PMC)	3 Visual Cortex Paths (IPL -> vPM, abstract)
Superior Parietal Lobule (NC.SPL)	Paths from Retina to Parietal Cortex and IT (MST -> 7a)