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Related Concept Videos

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...
Motor and Sensory Areas of the Cortex01:14

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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.
Indirect Motor Pathways01:22

Indirect Motor Pathways

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The vestibulospinal tract originates in the vestibular nuclei of the brainstem. The vestibular system detects changes in...

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Related Experiment Video

Updated: Jun 20, 2026

A Standardized Protocol for Functional Motor Mapping Using Navigated Transcranial Magnetic Stimulation
10:27

A Standardized Protocol for Functional Motor Mapping Using Navigated Transcranial Magnetic Stimulation

Published on: February 27, 2026

Motor mapping in cerebral palsy.

George F Wittenberg1

  • 1Baltimore VA Medical Center Geriatric Research, Education and Clinical Center, Baltimore, MD, USA. GWittenb@GRECC.UMaryland.edu

Developmental Medicine and Child Neurology
|September 11, 2009
PubMed
Summary
This summary is machine-generated.

Transcranial magnetic stimulation (TMS) reveals abnormal motor maps in children with cerebral palsy (CP). These findings suggest TMS-derived metrics can classify motor deficits and offer new therapeutic targets for rehabilitation.

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11:31

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Area of Science:

  • Neuroscience
  • Developmental Pediatrics
  • Rehabilitation Medicine

Background:

  • Motor deficits in cerebral palsy (CP) are traditionally assessed clinically.
  • Functional imaging and non-invasive stimulation offer direct measurement of motor system abnormalities.
  • Individualized mapping of the motor homunculus is possible in children with CP.

Purpose of the Study:

  • To utilize transcranial magnetic stimulation (TMS) to measure hand and ankle representations in children with spastic CP.
  • To explore TMS-derived metrics as potential indicators of motor control quality and CP classification.
  • To investigate abnormal motor maps as potential therapeutic targets.

Main Methods:

  • Employed transcranial magnetic stimulation (TMS) to map hand and ankle representations.
  • Assessed children with spastic cerebral palsy (CP) in a convenience sample.
  • Measured the size and location of muscle and movement representations.

Main Results:

  • Observed overlapping thumb and ankle maps in children with hemiplegia and diplegia.
  • These overlapping maps were found to be potentially bilateral.
  • Preliminary evidence suggests TMS-derived metrics correlate with motor abnormalities in CP.

Conclusions:

  • TMS-derived metrics show potential for classifying motor deficits in cerebral palsy (CP).
  • Abnormal motor maps identified via TMS represent a viable target for novel stimulation-based therapies.
  • Further research with larger cohorts is needed to solidify conclusions regarding disability and map characteristics.