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

Crowding degrades saccadic search performance.

Björn N S Vlaskamp1, Ignace Th C Hooge

  • 1Psychonomics, Helmholtz Institute, Universiteit Utrecht, Heidelberglaan 2, NL-3584 CS Utrecht, The Netherlands. b.n.s.vlaskamp@fss.uu.nl

Vision Research
|May 17, 2005
PubMed
Summary

Visual crowding, where distracters impair target identification, significantly increases search times and alters eye movements. Understanding this phenomenon is crucial for real-world visual search tasks.

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

Eye posture and screen alignment with simulated see-through head-mounted displays.

Journal of vision·2025
Same author

Seeing the future: Predictive control in neural models of ocular accommodation.

Journal of vision·2022
Same author

Spectral Tuning of White Light Allows for Strong Reduction in Melatonin Suppression without Changing Illumination Level or Color Temperature.

Journal of biological rhythms·2018
Same author

Acute alerting effects of light: A systematic literature review.

Behavioural brain research·2017
Same author

Non-dominant hand use increases completion time on part B of the Trail Making Test but not on part A.

Behavior research methods·2017
Same author

Circadian-Time Sickness: Time-of-Day Cue-Conflicts Directly Affect Health.

Trends in neurosciences·2016

Area of Science:

  • Visual perception
  • Cognitive psychology
  • Human-computer interaction

Background:

  • Target identification is hindered by surrounding distracters, a phenomenon known as crowding.
  • Crowding impacts performance and eye movements during visual search tasks.

Purpose of the Study:

  • To investigate the effects of crowding on visual search performance and eye movement patterns.
  • To examine how varying target-mask similarity influences the crowding phenomenon.

Main Methods:

  • Participants performed a visual search task in a one-dimensional search strip with varying levels of crowding (mask similarity).
  • A visibility experiment validated the crowding manipulation.
  • Eye movements, including fixations and saccades, were recorded during the search task.

Related Experiment Videos

Main Results:

  • Search times increased by up to 76% with increasing crowding.
  • Crowding led to an increased number of fixations and longer fixation durations.
  • Saccade amplitude decreased as crowding intensified.

Conclusions:

  • Crowding significantly impairs visual search efficiency and alters eye movement strategies.
  • Crowding must be considered when analyzing eye movements in tasks involving active visual scene exploration.