BrainCenterNMA NC SMC

Supplementary Motor Cortex

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This page covers biological details of component group Supplementary Motor Cortex. Component group is part of aHuman target integrated biological model.

• Top-down path to center: Cortex -> Anterior Lobe (NC.LOBE.ANT) -> Supplementary Motor Cortex (NMA.NC.SMC) (see Mind Maps)
• Function: Process sequences of movements and coordinate bilateral movements

(generated)

Components

(generated)

Component items:

• Supplementary Eye Field: high level aspects of saccade control
• Pre-Supplementary Motor Area: High level motor functions; Numerical and verbal mental-operation tasks
• Supplementary Motor Area: Movement execution; Numerical and verbal mental-operation tasks

Connectivity

(generated)

Internal Regions Connections:

• no connections

External Inbound Center Connections:

Source Center	Reference
Thalamus	Thalamocortical relationships (VA -> pVA, abstract)
Prefrontal Cortex	3 Visual Cortex Paths (LPC -> pre-SMA, abstract)
Premotor Cortex	(unknown reference)
Superior Parietal Lobule	Movement Planning (PPC -> SMC, abstract)

External Outbound Center Connections:

Target Center	Reference
Subthalamus Area	(unknown reference)
Basal Ganglia	Global visual system (FrontalCortex -> BGA, abstract)
Medullary Reticular Formation	(unknown reference)
Pontine Reticular Formation	Vocal Control (M2 -> RF, abstract)
Mesencephalic Reticular Formation	Horizontal saccades and smooth pursuit movements (FEFSEF -> RIP, abstract)
Premotor Cortex	3 Visual Cortex Paths (pre-SMA -> dPM, abstract)