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Related Concept Videos

Equilibrium and Balance01:15

Equilibrium and Balance

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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Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
Visual System01:26

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Vision is the result of light being detected and transduced into neural signals by the retina of the eye. This information is then further analyzed and interpreted by the brain. First, light enters the front of the eye and is focused by the cornea and lens onto the retina—a thin sheet of neural tissue lining the back of the eye. Because of refraction through the convex lens of the eye, images are projected onto the retina upside-down and reversed.
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: Jun 12, 2026

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane
07:24

Using Eye-tracking to Assess the Relative Importance of Visual and Vestibular Input to Subcortical Motion Processing in the Roll Plane

Published on: August 22, 2025

Center-surround visual motion processing in migraine.

Josephine Battista1, David R Badcock, Allison M McKendrick

  • 1Department of Optometry and Vision Sciences, University of Melbourne, Parkville, Australia.

Investigative Ophthalmology & Visual Science
|May 28, 2010
PubMed
Summary
This summary is machine-generated.

Migraine patients show altered visual motion processing, but findings do not support the theory of reduced cortical inhibition in the brain. This impacts understanding of migraine mechanisms.

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Area of Science:

  • Neuroscience
  • Ophthalmology
  • Neurology

Background:

  • Migraine is potentially linked to reduced cortical inhibition.
  • Visual motion processing may reflect center-surround inhibitory functions.

Purpose of the Study:

  • To compare visual motion processing between migraine patients and controls.
  • To investigate if reduced cortical inhibition underlies migraine-related visual abnormalities.

Main Methods:

  • Assessed motion direction detection thresholds and motion aftereffect (MAE) strength.
  • Used stimuli varying in size and contrast in 30 migraineurs and 20 controls.

Main Results:

  • Migraineurs exhibited abnormal visual motion processing.
  • Results showed interactions in the opposite direction predicted by reduced inhibition theories.

Conclusions:

  • While visual motion processing is abnormal in migraine, the data do not support reduced cortical inhibition.
  • Further research is needed to understand the neural basis of visual disturbances in migraine.