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

Pretectal eyelid retraction and lag

S L Galetta1, L G Gray, E C Raps

  • 1Department of Neurology, University of Pennsylvania School of Medicine, Philadelphia.

Annals of Neurology
|May 1, 1993
PubMed
Summary

Researchers identified a premotor eyelid control center in the brain. This finding, based on two patients with specific eyelid movement issues, helps understand neurological control of eye movements.

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

Covid-19 vaccination and possible link to Herpes zoster.

American journal of ophthalmology case reports·2022
Same author

Selective intra-arterial thrombolysis in acute stroke: Implications for emergency management.

Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association·2015
Same author

Regulation of the mitogen-activated protein kinase kinase (MEK)-1 by NAD(+)-dependent deacetylases.

Oncogene·2014
Same author

The King-Devick test as a concussion screening tool administered by sports parents.

The Journal of sports medicine and physical fitness·2014
Same author

Weight gain and recurrence in idiopathic intracranial hypertension: a case-control study.

Neurology·2011
Same author

The King-Devick test as a determinant of head trauma and concussion in boxers and MMA fighters.

Neurology·2011

Area of Science:

  • Neuroscience
  • Ophthalmology
  • Neurology

Background:

  • Eyelid movement is crucial for vision and ocular protection.
  • The precise neurological control mechanisms for eyelid function are not fully elucidated.
  • Understanding premotor pathways is key to diagnosing and treating eyelid abnormalities.

Observation:

  • Two patients presented with eyelid retraction and lag, but preserved vertical gaze.
  • Magnetic resonance imaging revealed distinct unilateral lesions.
  • Lesions were located dorsal and rostral to the red nucleus, within the lateral periaqueductal gray area.

Findings:

  • The observed clinical and radiological data suggest a specific brain region involved in premotor eyelid control.
  • This region is situated near the nucleus of the posterior commissure.
  • The findings link structural brain lesions to characteristic eyelid movement disorders.

Implications:

  • This study supports the existence of a premotor eyelid control center.
  • It provides a potential anatomical correlate for certain eyelid movement abnormalities.
  • Further research can explore this center's role in various neurological conditions affecting eye movements.

Related Experiment Videos