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

Interactions between view changes and shape changes in picture-picture matching.

Rebecca Lawson1, Heinrich H Bülthoff, Sarah Dumbell

  • 1Department of Psychology, University of Liverpool, Eleanor Rathbone Building, Bedford Street South, Liverpool L69 7ZA, UK. rlawson@liverpool.ac.uk

Perception
|March 3, 2004
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

Draft Genome Assembly of Root Knot Nematode, <i>Meloidogyne fallax</i>.

Journal of nematology·2025
Same author

Effects of Dietary Protein to Lipid Ratio and Insect Meal on Growth Performance, Feed Utilization, and the Gut Microbiome of Lake Whitefish (<i>Coregonus clupeaformis</i>).

Aquaculture nutrition·2025
Same author

Towards a Customizable, SLA 3D-Printed Biliary Stent: Optimizing a Commercially Available Resin and Predicting Stent Behavior with Accurate In Silico Testing.

Polymers·2024
Same author

General lighting can overcome accidental viewing.

i-Perception·2024
Same author

A systematic review of the measures that have been used to assess surface characteristics in relation to their impact on walking and falling.

Systematic reviews·2023
Same author

Dietary protein, lipid and insect meal on growth, plasma biochemistry and hepatic immune expression of lake whitefish (<i>Coregonus clupeaformis</i>).

Fish and shellfish immunology reports·2023

Viewpoint changes significantly impact object recognition, especially for similar shapes. Our findings show that consistent viewing angles improve discrimination, highlighting challenges in achieving view-invariant object constancy.

Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Computer Vision

Background:

  • Object recognition is crucial for real-world interaction.
  • Understanding how viewpoint changes affect object discrimination is key to object constancy.

Purpose of the Study:

  • To investigate the influence of viewpoint changes on discriminating between morphs of novel 3-D objects.
  • To determine if view changes impact performance when distinguishing between similar versus dissimilar object shapes.

Main Methods:

  • Four experiments using picture-picture matching tasks with novel, complex 3-D object morphs.
  • Varying stimulus presentation (simultaneous vs. sequential with intervals up to 3600 ms).
  • Testing with and without prior stimulus exposure or task practice.

Related Experiment Videos

Main Results:

  • View changes significantly impaired performance when discriminating between similarly shaped morphs.
  • Shape changes were detected faster and more accurately with same-view presentations.
  • View change had no effect when discriminating between dissimilarly shaped morphs.
  • This interaction persisted across different presentation timings and pre-exposure conditions.

Conclusions:

  • Abstract, view-insensitive object representations are difficult to activate for object constancy.
  • Even with extensive exposure or long intervals, viewpoint remains a significant factor in object discrimination.