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 Concept Videos

Photoreceptors and Visual Pathways01:22

Photoreceptors and Visual Pathways

8.5K
At the molecular level, visual signals trigger transformations in photopigment molecules, resulting in changes in the photoreceptor cell's membrane potential. The photon's energy level is denoted by its wavelength, with each specific wavelength of visible light associated with a distinct color. The spectral range of visible light, classified as electromagnetic radiation, spans from 380 to 720 nm. Electromagnetic radiation wavelengths exceeding 720 nm fall under the infrared category,...
8.5K
Equilibrium and Balance01:15

Equilibrium and Balance

6.2K
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...
6.2K
Glaucoma: Overview01:25

Glaucoma: Overview

1.7K
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...
1.7K
Prosopagnosia01:24

Prosopagnosia

1.3K
Prosopagnosia, also known as face blindness, is the inability to recognize faces. In severe cases, individuals with prosopagnosia may not recognize close family members, including parents and spouses, by their faces. For instance, someone with prosopagnosia might walk past their child in a crowd, only realizing their mistake upon noticing their child's distinctive backpack or favorite jacket. Prosopagnosia specifically impairs facial recognition, while the recognition of other objects or...
1.3K
Visual Agnosia01:12

Visual Agnosia

2.0K
Visual agnosia is a condition characterized by the inability to recognize visually presented objects despite having normal vision. For instance, a person with visual agnosia can describe the shape and color of an object but cannot identify or name it. This impairment does not affect their visual field, acuity, color vision, brightness discrimination, language, or memory. An example of this condition in a social setting is someone at a dinner party asking for "that silver thing with a round...
2.0K
Increased Intracranial Pressure l: Introduction01:14

Increased Intracranial Pressure l: Introduction

27
Intracranial hypertension is a sustained elevation of intracranial pressure (ICP) above 22 mm Hg. In supine adults, normal ICP is ~7–15 mm Hg.The rigid, nonexpandable cranium contains three components—brain tissue, blood, and cerebrospinal fluid (CSF)—that total ~1,700 mL in a typical adult: 1,400 mL brain (~80%), 150 mL blood (~10%), and 150 mL CSF (~10%). According to the Monro–Kellie doctrine, total intracranial volume is effectively fixed. When one component...
27

You might also read

Related Articles

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

Sort by
Same author

Vaccination coverage according to immunosuppression level among adults with non-rheumatoid arthritis rheumatic diseases: a retrospective observational study in Korea.

Epidemiology and health·2026
Same author

Different approach to bone mineral density in non-traumatic spinal cord injury: a comparison with traumatic spinal cord injury.

Journal of rehabilitation medicine·2026
Same author

Effects of Essential Oils in the Treatment of Acute Rhinosinusitis: A Systematic Review.

Laryngoscope investigative otolaryngology·2025
Same author

Head and Neck Cancer Symptoms and Risk Factors Awareness and Effectiveness of Educational Intervention for Underserved Populations.

OTO open·2025
Same author

Assessing Trainee Needs for Developing Response Scenarios and Training Manuals for Unknown Infectious Diseases: Insights From a Focus Group Interview.

Journal of Korean medical science·2025
Same author

Comparison of the prevalence of metabolic syndrome between individuals with spinal cord injury and the general population based on the cutoff values of abdominal obesity.

Disability and health journal·2024

Related Experiment Video

Updated: May 2, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
10:39

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache

Published on: June 2, 2014

19.1K

Persistent negative visual aura in migraine without headache: a case report.

Jisun Lim, Kwang Deog Jo, Moon Kyu Lee

  • 1Department of Neurology, Gangneung Asan Hospital, University of Ulsan College of Medicine, Bangdong-ri, Sacheon-myeon, Gangneung-si, Gangwon-do 210-711, Republic of Korea. neveu@naver.com.

Journal of Medical Case Reports
|February 21, 2014
PubMed
Summary
This summary is machine-generated.

A rare case of persistent migraine aura without headache in a young woman highlights diagnostic challenges. New criteria may be needed for these uncertain visual migraine aura symptoms.

More Related Videos

Investigating Migraine-Like Behavior Using Light Aversion in Mice
05:23

Investigating Migraine-Like Behavior Using Light Aversion in Mice

Published on: August 11, 2021

3.6K
Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache
05:40

Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache

Published on: July 29, 2021

8.6K

Related Experiment Videos

Last Updated: May 2, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
10:39

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache

Published on: June 2, 2014

19.1K
Investigating Migraine-Like Behavior Using Light Aversion in Mice
05:23

Investigating Migraine-Like Behavior Using Light Aversion in Mice

Published on: August 11, 2021

3.6K
Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache
05:40

Dural Stimulation and Periorbital von Frey Testing in Mice As a Preclinical Model of Headache

Published on: July 29, 2021

8.6K

Area of Science:

  • Neurology
  • Ophthalmology

Background:

  • Persistent migraine aura without headache is exceptionally rare.
  • The International Headache Society classifies migraines, including specific subtypes like persistent aura without infarction and typical aura without headache.

Purpose of the Study:

  • To describe a unique case of persistent visual aura without headache.
  • To discuss the diagnostic challenges and potential need for revised criteria for migraine aura.

Main Methods:

  • Case report of a 21-year-old woman with a history of migraine without aura presenting with persistent visual symptoms.
  • Diagnostic evaluation included neurological examination and imaging to rule out other causes.
  • Treatment response to furosemide and lamotrigine was noted.

Main Results:

  • The patient experienced 6 months of persistent negative visual symptoms without headache.
  • No causative lesions were identified on examination.
  • The symptoms were deemed related to migraine visual auras based on history and treatment response.

Conclusions:

  • The patient's presentation did not fit existing International Headache Society criteria for migraine subtypes.
  • This case suggests a need for updated diagnostic criteria to include uncertain visual symptoms of migraine aura.