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Related Concept Videos

Muscle Coordination and Action01:24

Muscle Coordination and Action

Muscle coordination is a complex and finely tuned process essential for smooth and purposeful movements like flexion, extension, adduction, abduction, and rotation. The human body orchestrates the actions of various muscles working in concert, each with a specific role. Four functional types describe how muscles work together: agonist, antagonist, synergist, and fixator.
Agonists
Agonist muscles, often called prime movers, are the primary muscles responsible for producing a specific movement.
Motor and Sensory Areas of the Cortex01:14

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.
Brainstem: Control Centers of Medulla01:21

Brainstem: Control Centers of Medulla

The medulla oblongata is a crucial part of the brainstem responsible for controlling various autonomic and involuntary functions. It contains several nuclei, including the olivary, cuneate, gracile, and solitary nuclei.
Olivary Nucleus
The olivary nucleus, or inferior olivary nucleus, is located within the ventrolateral part of the medulla oblongata. It is primarily involved in motor coordination and motor learning. The olivary nucleus receives input from the spinal cord, cerebellum, and motor...
Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the posterior columns...
Hierarchy of Motor Control01:18

Hierarchy of Motor Control

The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
Direct Motor Pathways01:11

Direct Motor Pathways

The direct motor pathways, also known as the pyramidal tracts, are a group of neural pathways that originate in the brain and descend through the spinal cord. They control the voluntary movement of the body. There are two major direct motor pathways: the corticospinal and the corticobulbar tracts.
The corticospinal tract is responsible for the voluntary movement of the limbs and trunk. It originates in the cerebral cortex of the brain and descends through the cerebrum's internal capsule and the...

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Related Experiment Video

Updated: Jul 18, 2026

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
09:49

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior

Published on: April 16, 2014

Visuo-motor control: giving the brain a hand.

A P Batista1, W T Newsome

  • 1Department of Neurobiology, Howard Hughes Medical Institute, Stanford University School of Medicine, Stanford, California 94305, USA. aaron@monkeybiz.stanford.edu.

Current Biology : CB
|March 8, 2000
PubMed
Summary

The brain transforms sensory information from sense organs into motor commands for movement. Neurophysiological studies reveal how these coordinate systems are converted to enable action.

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Last Updated: Jul 18, 2026

Methods to Explore the Influence of Top-down Visual Processes on Motor Behavior
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Area of Science:

  • Neuroscience
  • Motor Control
  • Sensory Processing

Background:

  • Sensory information is initially processed in coordinate systems tied to sensory organs.
  • Executing voluntary movements requires a different set of coordinate systems related to motor effectors.
  • A critical neural challenge lies in transforming these disparate coordinate systems.

Purpose of the Study:

  • To investigate the neural mechanisms underlying the transformation of sensory coordinate systems into motor coordinate systems.
  • To elucidate how the brain bridges the gap between sensory perception and motor execution.

Main Methods:

  • Utilizing advanced neurophysiological recording techniques.
  • Analyzing neural activity during sensory-guided movement tasks.
  • Employing computational models to interpret coordinate transformations.

Main Results:

  • Demonstrated specific neural pathways involved in sensory-to-motor coordinate conversion.
  • Identified key brain regions that implement these transformations.
  • Showcased how the brain flexibly adapts coordinate systems based on task demands.

Conclusions:

  • The brain actively transforms sensory coordinate systems to generate appropriate motor commands.
  • Understanding these transformations is crucial for deciphering motor control and planning.
  • These findings offer insights into potential therapeutic targets for motor disorders.