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Motor and Sensory Areas of the Cortex

Motor and Sensory Areas of the Cortex

The cerebral cortex, the brain's outermost layer, is pivotal in processing complex cognitive tasks, emotions, and various sensory inputs and executing voluntary motor activities. This intricate structure is divided into three primary functional areas: the motor areas, sensory areas, and association areas.
Motor Areas
The motor areas located in the frontal lobe are central to controlling voluntary movements. This region is further subdivided into the primary motor cortex and the premotor cortex....

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Related Experiment Video

Updated: Jul 23, 2025

Assessing Corticospinal Excitability During Goal-Directed Reaching Behavior

Assessing Corticospinal Excitability During Goal-Directed Reaching Behavior

Published on: December 2, 2022

Initial and corrective submovement encoding differences within primary motor cortex during precision reaching.

Kevin C Schwartze, Wei-Hsien Lee, Adam G Rouse

Biorxiv : the Preprint Server for Biology

|July 18, 2023

Summary

This summary is machine-generated.

Neural encoding differs between initial and corrective movements in the brain. This study reveals distinct patterns for submovements, suggesting a mechanism for enhanced motor precision.

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Last Updated: Jul 23, 2025

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Area of Science:

Neuroscience
Motor Control
Computational Neuroscience

Background:

Precision reaching tasks frequently involve corrective submovements.
Previous research often assumed uniform cortical encoding for all movement subphases.

Conclusions:

The primary motor cortex employs distinct neural encoding patterns for initial and corrective submovements.
These encoding variations may optimize the use of neural space for diverse movement amplitudes and precision levels.
Shifts in neural tuning contribute to improved motor precision.