Revision as of 09:48, 26 June 2015

Occipital Lobe

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This page covers biological details of component group Occipital Lobe. Component group is part of aHuman target integrated biological model.

Top-down path to center: Cortex -> Occipital Lobe (NC.LOBE.OCC) (see Mind Maps)
Function:

(generated)

Components

(generated)

Component items:

Primary Visual Cortex: Detect color, shape and movements
Secondary Visual Cortex (NSA.NC.OCC.V2): Storage of Object Recognition Memory
- Secondary Visual Cortex, Thin Stripe: Extract luminance and color features
- Secondary Visual Cortex, Thick Stripe: Extract binocular disparities and stimulus orientation features
- Secondary Visual Cortex, Pale Stripe: Extract form features
Associative Visual Cortex (NPE.NC.OCC.V3): Processing of global motion, dynamic shapes, orientation
- Dorsal Associative Visual Cortex: Processing of global motion, orientation
- Ventral Associative Visual Cortex: Processing of dynamic shapes
Fusiform Gyrus (NSA.NC.OCC.V4): Recognizing shapes and colors
- Dorsal Visual Area V4: Recognizing shapes, kinetic motion
- Ventral Visual Area V4: Recognizing color
Middle Temporal Area: Integration of local motion signals into global percepts
Parietooccipital Area: Analyzing self-motion relative to the environment, depth

(generated)

Internal Regions Connections:

unavailable

Source Region	Target Region	Reference
Secondary Visual Cortex, Pale Stripe	Ventral Associative Visual Cortex	Paths from Retina to Parietal Cortex and IT (V2 -> V3, abstract)
Dorsal Associative Visual Cortex	Middle Temporal Area	Paths from Retina to Parietal Cortex and IT (V3 -> MT, abstract)
	Parietooccipital Area	Paths from Retina to Parietal Cortex and IT (V3 -> PO, abstract)
Ventral Associative Visual Cortex	Dorsal Visual Area V4	Paths from Retina to Parietal Cortex and IT (V3 -> V4, abstract)
	Ventral Visual Area V4	Paths from Retina to Parietal Cortex and IT (V3 -> V4, abstract)
Primary Visual Cortex	Secondary Visual Cortex, Pale Stripe	Cortico-Cortical Connectivity (V1 -> VA, abstract)
	Middle Temporal Area	Paths from Retina to Parietal Cortex and IT (V1 -> MT)
	Secondary Visual Cortex, Thick Stripe	Cortico-Cortical Connectivity (V1 -> VA, abstract)
	Secondary Visual Cortex, Thin Stripe	Cortico-Cortical Connectivity (V1 -> VA, abstract)
Secondary Visual Cortex, Thick Stripe	Middle Temporal Area	Paths from Retina to Parietal Cortex and IT (V2 -> MT, abstract)
	Parietooccipital Area	Paths from Retina to Parietal Cortex and IT (V2 -> PO, abstract)
	Dorsal Visual Area V4	Paths from Retina to Parietal Cortex and IT (V2 -> V4, abstract)
Secondary Visual Cortex, Thin Stripe	Ventral Visual Area V4	Paths from Retina to Parietal Cortex and IT (V2 -> V4, abstract)
Dorsal Visual Area V4	Middle Temporal Area	Paths from Retina to Parietal Cortex and IT (V4 -> MT, abstract)

External Connections:

unavailable

External Inbound Center Connections:

Source Center ID	Source Center Name	Reference
FAM.FT.EXTAM	Extended Amygdala	(unknown reference)
FD.TH	Thalamus	Thalamocortical relationships (LGN -> pLGN)

External Outbound Center Connections:

Target Center ID	Target Center Name	Reference
FMM.NC.PHA.RS	Retrosubicular Area	Head Direction Cell Circuit (VC -> PSUB, abstract)
MM.REF	Reflexes Nuclei of Midbrain Mesencephalon	Eye blink reflex and pupillary light reflex (VAC -> SupraOculomotor, abstract)
NC.AL.PFC	Prefrontal Cortex	Cortico-Cortical Connectivity (VA -> PFC, abstract)
NC.IPL	Inferior Parietal Lobule	Paths from Retina to Parietal Cortex and IT (MT -> MST)
NC.MPL	Medial Parietal Lobule	Category-Selectivity Paradigm (V1 -> RS)
NC.SPL	Superior Parietal Lobule	Parietal Association Cortex (V5A -> 7a)
NSA.NC.IPS	Intraparietal Sulcus	Primate Control of Grasping (VC -> PIP, abstract)
NSA.NC.IT	Inferotemporal Area	Primate Control of Grasping (VC -> IT, abstract)

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 '''External Connections:'''
+<img src="http://ahuman.org/svn/ahwiki/images/dot/CENTER.NC.LOBE.OCC_internals.dot.png" alt="unavailable">
 '''External Inbound Center Connections:'''