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

Alcohol does not affect dark adaptation or luminance increment thresholds.

Sarah A Khan1, Brian Timney

  • 1Department of Psychology, The University of Western Ontario, Social Science Centre, Room 6254, London, Ontario, Canada N6A 5C2. skhan5@uwo.ca

Journal of Studies on Alcohol and Drugs
|June 15, 2007
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

Vitamin D deficiency in pediatric sickle cell disease patients without crisis - A cry to investigate it on priority.

International journal of health sciences·2024
Same author

Attitude and Behavior of Parents of Children With Sickle Cell Disease Toward the Disease: An Observational Study in Saudi Arabia.

Cureus·2024
Same author

Potential inflammatory targets in the integrative health care of patients with sickle cell disease.

Experimental and therapeutic medicine·2023
Same author

Omega 3 fatty acids - Potential modulators for oxidative stress and inflammation in the management of sickle cell disease.

Jornal de pediatria·2022
Same author

Prevalence of Musculoskeletal Disorders and its Correlation to Physical Activity Among Health Specialty Students.

International journal of preventive medicine·2019
Same author

Comparative study of fatty-acid composition of table eggs from the Jeddah food market and effect of value addition in omega-3 bio-fortified eggs.

Saudi journal of biological sciences·2017

Moderate alcohol consumption does not impair dark adaptation or retinal gain control. This study found no significant effects of alcohol on visual sensitivity recovery in the dark.

Area of Science:

  • Ophthalmology
  • Neuroscience
  • Pharmacology

Background:

  • Previous research suggested alcohol might mimic dark adaptation in the retina.
  • Evidence for alcohol's effect on retinal sensitivity was indirect.
  • An alternative hypothesis proposed alcohol affects retinal gain control.

Purpose of the Study:

  • To psychophysically investigate if alcohol affects dark adaptation.
  • To determine if alcohol impacts retinal gain control.
  • To measure dark adaptation functions and increment thresholds at moderate blood alcohol concentrations (BACs).

Main Methods:

  • Tested individuals under alcohol (BAC ~0.08%) and no-alcohol conditions.
  • Measured parafoveal and foveal target detection thresholds over time after bleaching.

Related Experiment Videos

  • Assessed increment thresholds using a background field that varied in luminance.

    • Main Results:

    • Alcohol did not affect the rod or cone portions of the dark adaptation curve.
    • Increment thresholds remained unaffected by alcohol ingestion.
    • No significant impact of alcohol on visual sensitivity recovery was observed.

    Conclusions:

    • Moderate alcohol intake does not alter the recovery of visual sensitivity in the dark.
    • Alcohol does not appear to affect retinal gain control mechanisms.
    • These findings suggest alcohol's effects on vision are not mediated by changes in retinal sensitivity or gain.