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Updated: Aug 5, 2026

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Cross-Modal Multivariate Pattern Analysis
Published on: November 9, 2011
Spontaneous perception of visuospatial ensembles
Gabriel Waterhouse1, Sami Yousif2
1Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill.
Journal of Experimental Psychology. General
|July 30, 2026
Summary
Human adults prioritize average size over number when perceiving visual ensembles. This challenges the idea that number is always the most salient feature in cognitive science.
Area of Science:
- Cognitive Science
- Visual Perception
- Psychology
Background:
- A prevailing view in cognitive science suggests number is prioritized over other visual ensemble properties like size.
- Previous research often compared number only against cumulative area, limiting understanding of perceptual salience.
Purpose of the Study:
- To investigate whether average size is prioritized over number in visual perception.
- To challenge the universal salience of number in cognitive science.
Main Methods:
- Conducted five unique paradigms and 13 experiments involving over 2,000 participants.
- Assessed categorization, explicit matching, change detection, and identification of extreme instances for size and number.
Main Results:
- Human adults consistently prioritized average size over number across various perceptual tasks.
- Children demonstrated similar prioritization of average size over number.
- Findings indicate that perceptual salience is context-dependent and not universally dominated by number.
Conclusions:
- The study argues against the universal salience of number in visual perception.
- Average size perception is prioritized over numerical quantity in ensemble perception.
- Perceptual salience of visual dimensions is competitive and context-dependent.
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