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

Pattern recognition with the optic nerve visual prosthesis.

Claude Veraart1, Marie-Chantal Wanet-Defalque, Benoît Gérard

  • 1Neural Rehabilitation Engineering Laboratory, Université catholique de Louvain, Brussels, Belgium. veraart@gren.ucl.ac.be

Artificial Organs
|November 18, 2003
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

Vagus Nerve Stimulation differentially modulates P3b in responders and non-responders: toward a biomarker of therapeutic efficacy.

Frontiers in neuroscience·2026
Same author

Characterization of vagus nerve active fibers during seizure in rats.

Journal of neural engineering·2025
Same author

First successful protocol for desensitization to eptinezumab.

Headache·2025
Same author

Longitudinal evaluation of laryngeal motor-evoked potentials following vagus nerve stimulation in patients with drug-refractory epilepsy.

Brain stimulation·2025
Same author

The effect of vagus nerve stimulation on heart rate and respiration rate and their impact on seizure susceptibility in anaesthetized rats under pentylenetetrazol.

Frontiers in neuroscience·2025
Same author

How spatial temperature gradients modulate infrared stimulation of the ex vivo rat sciatic nerve.

Biophysical journal·2025
Same journal

Large-Eddy Simulation of the FDA Benchmark Blood Pump: Validation Against Experiments and Implications for Turbulent Flow Mechanisms.

Artificial organs·2026
Same journal

The Warm Revolution: A Meta-Analysis of DCD Versus DBD Liver Transplant Outcomes in the Normothermic Machine Perfusion Era.

Artificial organs·2026
Same journal

Toward Optimal Remote Monitoring in LVAD Recipients: Remaining Challenges Beyond Feasibility.

Artificial organs·2026
Same journal

Advancing Organ Preservation and Perfusion: Introducing the International Society of Organ Preservation and Perfusion Therapy (ISOPPT).

Artificial organs·2026
Same journal

Short Inter-Treatment Interval Treatment With Artificial Liver Support System Reduces 90-Day Transplant-Free Mortality in Patients With Hepatitis B Virus-Related Acute-On-Chronic Liver Failure: A Retrospective Observational Study.

Artificial organs·2026
Same journal

Extracorporeal Albumin Dialysis (OPAL) as Novel Therapeutic Bridging Option in Posthepatectomy Liver Failure.

Artificial organs·2026
See all related articles

This study demonstrates a novel approach to vision restoration for retinitis pigmentosa patients using optic nerve stimulation. A blind volunteer successfully perceived visual patterns, achieving significant recognition and orientation discrimination.

Area of Science:

  • Neuroscience
  • Biomedical Engineering
  • Ophthalmology

Background:

  • Retinitis pigmentosa (RP) is a group of inherited diseases that cause progressive vision loss.
  • Current treatments for RP are limited, necessitating the development of advanced vision restoration technologies.

Observation:

  • A volunteer with retinitis pigmentosa and no residual vision was implanted with an optic nerve electrode.
  • Electrical stimulation of the optic nerve elicited phosphene perception, allowing for the perception of simple visual patterns.

Findings:

  • A closed-loop system utilizing a head-worn camera enabled the volunteer to explore a projection screen.
  • The volunteer achieved a 63% recognition score for simple patterns after training, with a processing time of 60 seconds.
  • Orientation discrimination performance reached 100% with an 8-second processing time.

Related Experiment Videos

Implications:

  • This research highlights the potential of direct optic nerve stimulation for vision restoration in RP patients.
  • The findings suggest that sophisticated visual information can be conveyed through artificial stimulation.
  • Further development could lead to functional visual prosthetics for individuals with severe vision impairment.