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Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
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Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System

Published on: October 16, 2013

Continuous dynamics of color categorization.

Stephanie Huette1, Bob McMurray

  • 1School of Social Sciences, University of California, Merced, California 95343, USA. shuette@ucmerced.edu

Psychonomic Bulletin & Review
|June 17, 2010
PubMed
Summary
This summary is machine-generated.

Color categorization is sensitive to subtle hue differences. Mouse tracking reveals that as colors approach a category boundary, they increasingly deviate toward the competing category, indicating dynamic processing.

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Video Imaging and Spatiotemporal Maps to Analyze Gastrointestinal Motility in Mice
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Video Imaging and Spatiotemporal Maps to Analyze Gastrointestinal Motility in Mice

Published on: February 3, 2016

Related Experiment Videos

Last Updated: Jun 12, 2026

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System
15:49

Flexible Colonoscopy in Mice to Evaluate the Severity of Colitis and Colorectal Tumors Using a Validated Endoscopic Scoring System

Published on: October 16, 2013

Video Imaging and Spatiotemporal Maps to Analyze Gastrointestinal Motility in Mice
07:41

Video Imaging and Spatiotemporal Maps to Analyze Gastrointestinal Motility in Mice

Published on: February 3, 2016

Area of Science:

  • Cognitive Psychology
  • Visual Perception
  • Color Science

Background:

  • Color categorization is fundamental to visual cognition.
  • Previous models often treated category boundaries as discrete.
  • The role of fine-grained hue information within categories remains debated.

Purpose of the Study:

  • To investigate if color categorization is influenced by within-category hue variations.
  • To explore the dynamic processes underlying color perception and categorization.
  • To provide evidence for parallel processing of hue and category information.

Main Methods:

  • A modified categorization task involving a blue-green color continuum.
  • Monitoring participant mouse trajectories during color swatch categorization.
  • Analyzing mouse path deviations as a function of hue and proximity to category boundaries.

Main Results:

  • Mouse trajectory deviations toward the competing category increased as hues approached the boundary.
  • This deviation was significantly correlated with specific hue values within categories.
  • Evidence suggests parallel activation of hue and category processing in color perception.

Conclusions:

  • Color categorization is a dynamic process sensitive to subtle, within-category hue differences.
  • Perceptually adjacent categories are simultaneously activated during categorization.
  • Mouse trajectory analysis offers a sensitive method for studying fine-grained perceptual dynamics.