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Related Concept Videos

Equilibrium and Balance01:15

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The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
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A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...
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The Vestibular System01:29

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The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of structures within the labyrinth of the inner ear, including the cochlea and two otolith organs—the utricle and saccule. The labyrinth also contains three semicircular canals—superior, posterior, and horizontal—that are oriented on different planes.
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Related Experiment Video

Updated: Mar 13, 2026

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
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Delayed vestibulopathy after heat exposure.

Ileok Jung1, Seo-Young Choi2, Hyo-Jung Kim3

  • 1Department of Neurology, Korea University College of Medicine, Korea University Ansan Hospital, Ansan, Korea.

Journal of Neurology
|October 22, 2016
PubMed
Summary

Excessive heat exposure can cause delayed vestibular dysfunction, leading to vertigo and impaired balance. This study highlights potential damage to the vestibulocerebellum following heat illness.

Keywords:
CerebellumHead impulse testHeat illnessHeat strokeVestibulo-ocular reflex

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Area of Science:

  • Neurology
  • Ophthalmology
  • Otolaryngology

Background:

  • Dizziness is a common symptom of heat illness.
  • Comprehensive vestibular function evaluation is lacking in heat illness research.
  • Heat illness can be a life-threatening condition.

Observation:

  • Three patients experienced vertigo approximately one week after heat exposure.
  • Clinical evaluations revealed bilateral vestibulo-ocular reflex impairments.
  • Signs of vestibulocerebellar dysfunction were observed, including nystagmus.

Findings:

  • Heat exposure may lead to delayed-onset vestibulopathy.
  • Damage to the vestibulocerebellum is a potential mechanism.
  • Bilateral vestibular impairments and vestibulocerebellar signs were consistently observed.

Implications:

  • This research underscores the importance of vestibular assessment in heat illness patients.
  • Understanding heat-induced neurological effects can improve patient outcomes.
  • Further research is needed to elucidate the pathophysiology of heat-related vestibular disorders.