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Updated: Dec 27, 2025

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A Method to Quantify Visual Information Processing in Children Using Eye Tracking
Published on: July 9, 2016
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Children's use of local and global visual features for material perception
Benjamin Balas1, Amanda Auen1, Josselyn Thrash1
1,.
Journal of Vision
|February 26, 2020
Summary
Children
Area of Science:
- Developmental psychology
- Visual perception
- Cognitive science
Background:
- Adults rapidly recognize material properties in images.
- Children's material categorization abilities develop gradually.
- Understanding developmental changes in visual feature use is crucial.
Purpose of the Study:
- To investigate how children's use of local versus global visual features for material perception changes during middle childhood.
- To determine the developmental trajectory of material perception, focusing on the reliance on different visual cues.
Main Methods:
- Three experiments involving adults and children (5-10 years old) distinguishing real and artificial food images.
- Image scrambling (block and diffeomorphic) to disrupt global appearance.
- Image blurring to disrupt local feature visibility.
Main Results:
- Young children showed disproportionately poorer performance with image blur (disrupted local features).
- This performance deficit was reduced or absent with diffeomorphic scrambling (disrupted global appearance).
- Age significantly modulated the impact of local versus global feature disruption on material perception.
Conclusions:
- The ability to utilize large-scale visual features for material perception appears to develop slowly during middle childhood.
- Children's reliance on local features may be more pronounced in early development compared to adults.
- This study provides insights into the developmental maturation of visual processing for object and material recognition.
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