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

Adaptation to peripheral flicker: relationship to contrast detection thresholds.

J P Harris1, J E Calvert, R S Snelgar

  • 1Department of Psychology, University of Bristol, England.

Vision Research
|January 1, 1990
PubMed
Summary

Visual adaptation speed depends on both flicker frequency and contrast intensity. Higher frequencies and greater contrast above threshold accelerate adaptation, impacting visual perception studies.

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

School-based surveillance of acute infectious disease in children: a systematic review.

BMC infectious diseases·2021
Same author

Editorial.

Audiology & neuro-otology·2021
Same author

Understanding norovirus reporting patterns in England: a mixed model approach.

BMC public health·2021
Same author

Risk factors associated with outbreaks of seasonal infectious disease in school settings, England, UK.

Epidemiology and infection·2020
Same author

Symptom profiling for infectious intestinal disease (IID): a secondary data analysis of the IID2 study.

Epidemiology and infection·2019
Same author

The use of capture-recapture methods to provide better estimates of the burden of norovirus outbreaks from seafood in England, 2004-2011.

Epidemiology and infection·2018

Area of Science:

  • Visual Neuroscience
  • Psychophysics

Background:

  • Visual adaptation is crucial for processing changing stimuli.
  • Temporal frequency and contrast influence visual perception.

Purpose of the Study:

  • To investigate factors affecting visual adaptation time.
  • To determine if temporal frequency or contrast level primarily drives adaptation speed.

Main Methods:

  • Measured flicker disappearance time for a modulated visual field.
  • Varied temporal frequency and contrast (depth of modulation).
  • Tested contrasts at multiples of threshold and matched across frequencies.

Main Results:

  • Adaptation time decreased with increasing temporal frequency at fixed contrast.

Related Experiment Videos

  • Results indicate both temporal frequency and contrast above threshold are key determinants.
  • Effect of temporal frequency is not solely due to contrast level.

    • Conclusions:

    • Visual adaptation speed is influenced by a combination of temporal frequency and contrast intensity.
    • Understanding these factors is vital for visual neuroscience and psychophysics research.