Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Human and animal semicircular canal function during circular walking.

S Ito1, M Hinoki

  • 1Department of Otolaryngology, University Hospital Kurume, Japan.

Acta Oto-Laryngologica. Supplementum
|January 1, 1991
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Epidemiological and clinical characteristics of Menière's disease in Japan.

Acta oto-laryngologica. Supplementum·1995
Same author

Prostaglandin E2-induced arachidonic acid release and catecholamine secretion from cultured bovine adrenal chromaffin cells.

Biochemical pharmacology·1992
Same author

Multiple projection of vagal non-myelinated afferents to the anterior insular cortex in rats.

Neuroscience letters·1992
Same author

Wear of denture teeth by use of metal plates. Part 3: Abrasive wear of posterior teeth and wear of opposing metal plates.

The Journal of Nihon University School of Dentistry·1992
Same author

Two sudden death cases of idiopathic ventricular tachycardia.

The Tokushima journal of experimental medicine·1992
Same author

A case of concealed WPW syndrome with three different reciprocal tachycardias due to triple AV nodal pathways.

The Tokushima journal of experimental medicine·1992

Animal studies suggest the medial vestibulospinal tract only impacts the upper spinal cord. However, human evidence indicates semicircular canal impulses may influence both lower and upper limb activity.

Area of Science:

  • Neuroscience
  • Vestibular System Research
  • Spinal Cord Physiology

Background:

  • The medial vestibulospinal tract (MVST) is traditionally understood to originate in the medial vestibular nucleus.
  • In animal models, the MVST descends only to the upper thoracic spinal cord levels.
  • The semicircular canals are key components of the vestibular system, sensing head rotation.

Purpose of the Study:

  • To investigate the potential reach of semicircular canal impulses in the human spinal cord.
  • To explore whether vestibular input influences lumbosacral activity in humans.

Main Methods:

  • Review of indirect human evidence.
  • Analysis of existing neurophysiological data.

Main Results:

Related Experiment Videos

  • Indirect human evidence suggests a more extensive influence of the vestibular system than previously assumed from animal studies.
  • Findings support the concept that impulses from the semicircular canals can reach the lumbosacral cord.

Conclusions:

  • The human medial vestibulospinal tract may have a greater rostrocaudal extent than demonstrated in animal models.
  • Vestibular input from semicircular canals appears to modulate motor activity in both upper and lower extremities in humans.