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

Visual marking beside the mark: prioritizing selection by abrupt onsets.

M Donk1, J Theeuwes

  • 1Department of Cognitive Psychology, Vrije Universiteit, Amsterdam, The Netherlands. w.donk@psy.vu.nl

Perception & Psychophysics
|August 28, 2001
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

The patient's view on rare disease trial design - a qualitative study.

Orphanet journal of rare diseases·2019
Same author

The nature of the global effect beyond the first eye movement.

Vision research·2015
Same author

Novelty processing and memory formation in Parkinson's disease.

Neuropsychologia·2014
Same author

The time course of top-down control on saccade averaging.

Vision research·2014
Same author

A global effect of capture saccades.

Experimental brain research·2011
Same author

Oculomotor capture in ADHD.

Cognitive neuropsychology·2008

Visual marking prioritizes new stimuli by inhibiting old ones. This study finds that new elements require a luminance change, not just their abrupt onset, to be prioritized during visual search.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Visual Perception

Background:

  • Visual search tasks often involve prioritizing novel stimuli over previously seen ones.
  • Visual marking is theorized to involve top-down inhibition of old objects.
  • The role of abrupt onsets versus luminance changes in this prioritization is debated.

Purpose of the Study:

  • To investigate whether visual marking relies on top-down inhibition or abrupt onsets of new elements.
  • To determine the specific visual properties required for new elements to be prioritized in visual search.

Main Methods:

  • Three experiments were conducted using visual marking paradigms.
  • Stimulus presentations varied in whether new elements had a luminance change (onset) or were equiluminant with the background.

Related Experiment Videos

Main Results:

  • Visual marking, or the prioritization of new elements, did not occur when new elements were equiluminant with the background.
  • Prioritization of new elements was contingent on a luminance onset, not solely on their abrupt appearance.

Conclusions:

  • The findings suggest that luminance onsets, rather than abstract abruptness, are crucial for visual marking.
  • This challenges theories relying solely on top-down inhibition and highlights the importance of physical stimulus properties in visual selection.