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

Knowledge about the probability of change affects change detection performance.

Melissa R Beck1, Bonnie L Angelone, Daniel T Levin

  • 1Department of Psychology, Kent State University, USA. mbeckl@gmu.edu

Journal of Experimental Psychology. Human Perception and Performance
|August 11, 2004
PubMed
Summary

Knowledge of probable changes enhances visual change detection. Participants were more likely to notice expected changes, regardless of attention level, but could not predict their own performance.

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

Neural evidence of deprioritizing to-be-forgotten information in visual working memory.

Frontiers in cognition·2026
Same author

Representing technological "minds": How anthropomorphic inferences influence legal judgments and policy opinions.

Consciousness and cognition·2026
Same author

Eye movements as predictors of student experiences during nursing simulation learning events.

Cognitive research: principles and implications·2025
Same author

The roles of cognitive dissonance and normative reasoning in attributions of minds to robots.

Cognitive research: principles and implications·2024
Same author

Evidence for an event-integration window: A cognitive temporal window supports flexible integration of multimodal events.

Journal of experimental psychology. General·2024
Same author

Activated long-term memory and visual working memory during hybrid visual search: Effects on target memory search and distractor memory.

Memory & cognition·2024

Area of Science:

  • Cognitive Psychology
  • Visual Neuroscience
  • Perception

Background:

  • The visual system often fails to process all incoming information, leading to missed changes in visual stimuli.
  • Understanding factors influencing change detection is crucial for cognitive and visual science.

Purpose of the Study:

  • To investigate if prior knowledge of probable event occurrences improves the detection of likely visual changes.
  • To determine if attentional state affects the detection of probable versus improbable visual changes.

Main Methods:

  • Two experiments were conducted involving participants observing visual stimuli with varying probabilities of change.
  • Change detection performance was assessed under different conditions of scene processing and active search.

Related Experiment Videos

Main Results:

  • Participants demonstrated a higher likelihood of detecting probable changes compared to improbable ones.
  • This improved detection of probable changes persisted irrespective of whether participants were meaningfully processing or actively searching the scene.
  • Participants' ability to accurately predict their own change detection performance for both probable and improbable changes was limited.

Conclusions:

  • Knowledge of event probability significantly enhances the detection of likely visual changes.
  • Attentional focus does not appear to be a prerequisite for improved detection of probable changes.
  • Self-awareness of change detection capabilities, particularly concerning probable events, is not reliably accurate.