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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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Novel names extend for how long preschool children sample visual information
Paulo F Carvalho1, Catarina Vales2, Caitlin M Fausey3
1Human-Computer Interaction Institute, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
Journal of Experimental Child Psychology
|December 30, 2017
Summary
Novel words, or new vocabulary, can influence how preschoolers pay attention. Research shows these new words extend looking time during tasks but do not alter what children focus on or how they shift attention.
Area of Science:
- Developmental Psychology
- Cognitive Science
- Language Acquisition
Background:
- Known words influence visual attention and information sampling.
- The effect of novel words on visual sampling in preschoolers remains unclear.
Purpose of the Study:
- To investigate how novel word exposure affects preschoolers' visual sampling behavior.
- To determine if novel names alter the duration, allocation, or organization of visual attention.
Main Methods:
- Preschoolers completed a match-to-sample task.
- Moment-to-moment eye movements were recorded using eye-tracking technology.
- Visual sampling was analyzed with and without novel word exposure.
Main Results:
- Novel words significantly prolonged the duration of each visual sampling event.
- Novel words did not affect sampling allocation (what objects were viewed).
- Novel words did not alter sampling organization (transitions between objects).
Conclusions:
- Novel words can modify visual sampling dynamics in early development.
- Novel words entrain the cognitive system towards sustained attention.
- This suggests a role for novel vocabulary in shaping attentional patterns in young children.
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