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Related Experiment Videos

Intrinsic function of a neuronal network - a vertebrate central pattern generator

S Grillner1, Ekeberg, A El Manira

  • 1Nobel institute for Neurophysiology, Department of Neuroscience, Karolinska Institutet, S-171 77 Stockholm, Sweden. Sten.Grillner@neuro.ki.se

Brain Research. Brain Research Reviews
|July 4, 1998
PubMed
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This study reviews vertebrate locomotion using lamprey, detailing how brainstem cells activate spinal networks. It focuses on ion channels and modulators influencing neuronal and network activity for movement.

Area of Science:

  • Neuroscience
  • Comparative Physiology
  • Motor Control

Background:

  • Vertebrate locomotion involves complex neural networks.
  • Understanding cellular mechanisms of movement is crucial.

Purpose of the Study:

  • To review the cellular basis of vertebrate locomotor behavior.
  • To highlight the lamprey as a model system for studying neural networks.

Main Methods:

  • Review of existing literature on lamprey locomotion.
  • Analysis of reticulospinal pathways and spinal interneurons.
  • Focus on ion channel function (Ca2+, K+, NMDA) and neuromodulation.

Main Results:

  • Forebrain and brainstem initiate locomotion via reticulospinal fibers.

Related Experiment Videos

  • Spinal networks use glutamatergic and glycinergic interneurons.
  • Ion channels and modulators critically affect neuronal and network function.

    • Conclusions:

    • The lamprey provides a detailed cellular-level understanding of a vertebrate locomotor network.
    • Ion channel subtypes and modulators are key to controlling movement.
    • This research offers insights into fundamental principles of motor control.