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Related Concept Videos

Perceptual Constancy01:12

Perceptual Constancy

Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
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Sensory Perception: Organization of the Somatosensory System

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Creating Objects and Object Categories for Studying Perception and Perceptual Learning
14:38

Creating Objects and Object Categories for Studying Perception and Perceptual Learning

Published on: November 2, 2012

Size-sensitive perceptual representations underlie visual and haptic object recognition.

Matt Craddock1, Rebecca Lawson

  • 1School of Psychology, University of Liverpool, Liverpool, United Kingdom. m.craddock@liv.ac.uk

Plos One
|December 4, 2009
PubMed
Summary
This summary is machine-generated.

Visual and haptic object recognition share common size-specific representations. Size changes impact performance similarly across visual, haptic, and crossmodal shape matching, suggesting shared perceptual mechanisms.

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Last Updated: Jun 18, 2026

Creating Objects and Object Categories for Studying Perception and Perceptual Learning
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Investigating Object Representations in the Macaque Dorsal Visual Stream Using Single-unit Recordings
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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Perception

Background:

  • Similarities in visual and haptic object recognition suggest shared neural representations.
  • It remains debated whether these shared representations preserve low-level perceptual details or rely on high-level abstract information.

Purpose of the Study:

  • To investigate whether visual and haptic object recognition utilize common perceptual representations.
  • To determine if size-specific information is preserved in these shared representations.

Main Methods:

  • Two experiments employed a sequential shape-matching task using 3D objects.
  • Participants performed unimodal (visual-visual, haptic-haptic) and crossmodal (visual-haptic, haptic-visual) matching.
  • The impact of size changes on shape recognition accuracy was assessed.

Main Results:

  • Size changes similarly impaired performance in unimodal visual and haptic shape matching.
  • Size changes also impaired performance in crossmodal visual-haptic and haptic-visual shape matching.
  • No interaction was found between size change costs and the direction of crossmodal transfer.

Conclusions:

  • Findings suggest that common, size-specific perceptual representations underpin both visual and haptic object recognition.
  • Crossmodal object memory is, at least partly, based on these shared perceptual representations.
  • This indicates a significant overlap in the low-level perceptual processing of visual and haptic information.