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Updated: Oct 3, 2025

Quantifying Learning in Young Infants: Tracking Leg Actions During a Discovery-learning Task
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Infants' object interactions are long and complex during everyday joint engagement

Jacob L Schatz1, Catalina Suarez-Rivera1, Brianna E Kaplan1

  • 1Department of Applied Psychology, New York University, New York City, New York, USA.

Developmental Science
|February 12, 2022
PubMed
Summary

Mothers' multimodal engagement, including touching and talking about objects, significantly increases infant object interaction complexity and duration. Action-orienting talk specifically enhances play length and sophistication.

Keywords:
explorationjoint attentionjoint engagementlanguage inputobject playtriadic interaction

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