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Related Concept Videos

Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

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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...
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Indirect Motor Pathways01:22

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The indirect motor or extrapyramidal pathways originate in the brainstem, the lower portion of the brain that connects it to the spinal cord. They consist of several distinct tracts, each with specialized functions. The four main tracts of the indirect motor pathways are the vestibulospinal tract, the reticulospinal tract, the tectospinal tract, and the rubrospinal tract.
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Hierarchy of Motor Control01:18

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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.
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Overview of Somatic Sensory Pathways01:29

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Somatic sensory or somatosensory pathways refer to the neural pathways that carry information related to touch, pressure, pain, temperature, and proprioception from the skin, muscles, tendons, and joints to the brain. These pathways involve several stages of processing and integration of sensory information.
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Enteric Nervous System: Regulation of GI Motor Activity01:11

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The Enteric Nervous System (ENS) plays a pivotal role in regulating gastrointestinal or GI motor activity. This complex network of nerves, deeply embedded within the gut wall, responds to changes in the gut environment and receives input from both the autonomic nervous system and the central nervous system. By doing so, the ENS operates various programs tailored to the body's nutritional status and needs.
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Direct Motor Pathways01:11

Direct Motor Pathways

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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.
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Related Experiment Video

Updated: Nov 3, 2025

Real-Time Proxy-Control of Re-Parameterized Peripheral Signals using a Close-Loop Interface
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Proprioception, the regulator of motor function.

Kyeong Min Moon1, Jimin Kim1, Yurim Seong1

  • 1Department of Brain and Cognitive Sciences, DGIST, Daegu 42988, Korea.

BMB Reports
|June 3, 2021
PubMed
Summary
This summary is machine-generated.

Proprioception, the sense of body position, is vital for animal locomotion and survival. This review details the molecular and neuronal mechanisms of proprioceptive feedback systems in C. elegans, Drosophila, and mice.

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Area of Science:

  • Neuroscience
  • Animal Behavior
  • Biophysics

Background:

  • Locomotion is essential for animal survival, requiring integration of sensory cues.
  • Proprioception, the sense of body position, is critical for precise motor control and gait maintenance.
  • Proprioceptive feedback systems, mediated by stretch-sensitive receptors, are conserved across many animal species.

Purpose of the Study:

  • To review the molecular and neuronal mechanisms of proprioceptive feedback.
  • To explore the role of proprioception in locomotion across different model organisms.
  • To highlight conserved mechanisms of proprioceptive control in C. elegans, Drosophila, and mice.

Main Methods:

  • Review of recent scientific literature on proprioception and locomotion.
  • Analysis of molecular and neuronal pathways involved in proprioceptive feedback.
  • Comparative study of proprioceptive systems in model organisms.

Main Results:

  • Identification of multiple proprioceptive neurons and proprioceptors.
  • Elucidation of their specific roles in modulating locomotion.
  • Understanding of conserved mechanisms underlying proprioceptive control.

Conclusions:

  • Proprioceptive feedback is a fundamental mechanism for coordinated movement.
  • Molecular and neuronal insights into proprioception advance our understanding of motor control.
  • Comparative studies in model organisms reveal conserved principles of locomotion control.