BrainCenterNC LOBE OCC

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

Connectivity

(generated)

Internal Regions Connections:

Source Region	Target Region	Reference
Basal Nucleus of Meynert	Primary Visual Cortex	(unknown 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)
Lateral Geniculate Nucleus	Primary Visual Cortex	Thalamocortical relationships (LGN -> pLGN)
Lateral Pulvinar	Secondary Visual Cortex, Thin Stripe	Global visual system (Pulvinar -> VisualCortex, 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 Inbound Center Connections:

Source Center	Reference
Extended Amygdala	(unknown reference)
Thalamus	Thalamocortical relationships (LGN -> pLGN)

External Outbound Center Connections:

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