BrainCenterNSA NC IPS
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Intraparietal Sulcus
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This page covers biological details of component group Intraparietal Sulcus. Component group is part of aHuman target integrated biological model.
- Top-down path to center: Cerebral Cortex -> Parietal Lobe (NC.LOBE.PAR) -> Intraparietal Sulcus (NSA.NC.IPS) (see Mind Maps)
- Function: Perceptual-motor coordination and visual attention, eye movements and reaching
- Notes to function: PG, Control of saccadic eye movements, visual control of grasping
(generated)
Components
(generated)
Component items:
- Posterior Eye Field (NPE.NC.IPS.PEF): Reflexive saccade triggering
- Medial Intraparietal Sulcus (NPE.NC.IPS.MIP): Encode location of reach target in nose-centered coordinates
- Lateral Intraparietal Sulcus (NPE.NC.IPS.LIP): Representing saliency of spatial locations, and attention to locations
- Ventral Intraparietal Sulcus (NSA.NC.IPS.VIP): Merge visual, somatosensory, auditory, and vestibular senses
- Anterior Intraparietal Sulcus (NSA.NC.IPS.AIP): Represent shape, size, and orientation of objects to be grasped
Connectivity
(generated)
Internal Regions Connections:
| Source Region | Target Region | Reference |
| Lateral Intraparietal Sulcus (NPE.NC.IPS.LIP) | Anterior Intraparietal Sulcus (NSA.NC.IPS.AIP) | Primate Control of Grasping (PIP -> AIP, abstract) |
External Connections:
External Inbound Center Connections:
| Source Center | Reference |
| Occipital Lobe (NC.LOBE.OCC) | Paths from Retina to Parietal Cortex and IT (MT -> LIP) |
| Medial Parietal Lobule (NC.MPL) | Oculomotor decision-making (CGp -> LIP) |
| Inferotemporal Area (NSA.NC.IT) | 3 Visual Cortex Paths (IT -> IPS, abstract) |
External Outbound Center Connections:
| Target Center | Reference |
| Reflexes Nuclei of Midbrain Mesencephalon (MM.REF) | Vision Components (VAC -> SOA, abstract) |
| Lateral Prefrontal Cortex (NC.AL.LPFC) | Summary of eye movement control (PEF -> DLPFC, abstract) |
| Inferior Parietal Lobule (NC.IPL) | 3 Visual Cortex Paths (IPS -> IPL, abstract) |
| Medial Parietal Lobule (NC.MPL) | (unknown reference) |
| Premotor Cortex (NC.PMC) | Summary of eye movement control (PEF -> FEF, abstract) |
| Superior Parietal Lobule (NC.SPL) | Paths from Retina to Parietal Cortex and IT (LIP -> 7a) |
