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 Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Preliminary validation study of the Russian Birmingham Cognitive Screen.

Journal of clinical and experimental neuropsychology·2017
Same author

Self-bias modulates saccadic control.

Quarterly journal of experimental psychology (2006)·2016
Same author

Domain-specific versus generalized cognitive screening in acute stroke.

Journal of neurology·2015
Same author

Italian standardization of the Apples Cancellation Test.

Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology·2015
Same author

High proportion of rare and compound epidermal growth factor receptor mutations in an Australian population of non-squamous non-small-cell lung cancer.

Internal medicine journal·2014
Same author

Segregating Semantic from Phonological Processes during Reading.

Journal of cognitive neuroscience·2013

Related Experiment Video

Updated: Jul 11, 2026

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
05:58

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking

Published on: August 29, 2018

Previewing distracters reduces their effective contrast.

H A Allen1, G W Humphreys

  • 1Brain and Behavioural Sciences, University of Birmingham, Edgbaston, Birmingham, UK. h.a.allen@bham.ac.uk

Vision Research
|September 25, 2007
PubMed
Summary

The preview benefit in visual search occurs because observers actively ignore previewed items. This active inhibition lowers sensitivity to contrast increments on valid previews, improving search efficiency.

More Related Videos

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

Irrelevant Stimuli and Action Control: Analyzing the Influence of Ignored Stimuli via the Distractor-Response Binding Paradigm
12:12

Irrelevant Stimuli and Action Control: Analyzing the Influence of Ignored Stimuli via the Distractor-Response Binding Paradigm

Published on: May 14, 2014

Related Experiment Videos

Last Updated: Jul 11, 2026

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking
05:58

Using Rapid Serial Visual Presentation to Measure Set-Specific Capture, a Consequence of Distraction While Multitasking

Published on: August 29, 2018

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

Irrelevant Stimuli and Action Control: Analyzing the Influence of Ignored Stimuli via the Distractor-Response Binding Paradigm
12:12

Irrelevant Stimuli and Action Control: Analyzing the Influence of Ignored Stimuli via the Distractor-Response Binding Paradigm

Published on: May 14, 2014

Area of Science:

  • Cognitive Psychology
  • Visual Perception
  • Human Visual System

Background:

  • The preview benefit describes enhanced visual search efficiency when some items are presented before the main search display.
  • This phenomenon suggests that observers utilize the preview information to guide their attention and improve target detection.

Purpose of the Study:

  • To investigate the underlying mechanism of the preview benefit in visual search.
  • To determine if the preview benefit is mediated by active inhibition of previewed items.

Main Methods:

  • Psychometric functions were measured for contrast increments on Gabor patches.
  • Stimuli were presented as either a valid preview for subsequent search or a non-predictive dummy preview.
  • Participant sensitivity to contrast changes was assessed under both preview conditions.

Main Results:

  • Sensitivity to contrast increments was significantly lower for valid previews compared to dummy previews.
  • This reduction in sensitivity was characterized by a rightward shift in the psychometric function.
  • The results indicate that previewed items are processed with reduced perceptual sensitivity.

Conclusions:

  • The findings support an active inhibition account of the preview benefit.
  • Active inhibition involves reducing the processing of previewed items, akin to lowering their perceived contrast.
  • This mechanism allows for more efficient allocation of attentional resources during visual search.