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The information-processing theory of cognitive development centers on fundamental mental processes, including attention, memory, and problem-solving skills. Researchers in this field examine how cognitive abilities, such as working memory, evolve and influence children's overall development. Studies indicate that children with stronger working memory tend to excel in reading comprehension, math, and problem-solving compared to peers with less efficient memory skills. Low working memory is also...
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Related Experiment Video

Updated: May 20, 2026

Gaze in Action: Head-mounted Eye Tracking of Children's Dynamic Visual Attention During Naturalistic Behavior
07:09

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Published on: November 14, 2018

Screen Time Patterns and Cognitive Development Among Preschool Children.

Valerie Carson1, Madison Boyd1, Yao Zheng2

  • 1Faculty of Kinesiology, Sport and Recreation, University of Alberta, Edmonton, Canada.

American Journal of Preventive Medicine
|May 18, 2026
PubMed
Summary
This summary is machine-generated.

Excessive screen time (ST) in preschoolers, especially entertainment-focused shows and mobile device use, is linked to poorer executive function. Communication-based ST with adult co-use may benefit language development.

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07:09

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Portable Intermodal Preferential Looking (IPL): Investigating Language Comprehension in Typically Developing Toddlers and Young Children with Autism
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Cortical Source Analysis of High-Density EEG Recordings in Children
09:32

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Published on: June 30, 2014

Area of Science:

  • Child Development
  • Cognitive Neuroscience
  • Media Psychology

Background:

  • Understanding the impact of screen time (ST) on preschooler cognitive development remains incomplete.
  • This study investigates ST patterns and their associations with cognitive outcomes in early childhood.

Purpose of the Study:

  • To identify common screen time patterns in preschool children.
  • To examine the relationship between specific screen time behaviors and cognitive development.

Main Methods:

  • Cross-sectional analysis of 359 preschoolers (3-4 years) using parent-reported 2-week online daily diaries for ST.
  • Cognitive functions (language, response inhibition, working memory, self-control) assessed via researcher-administered virtual games.
  • Regression models adjusted for covariates were employed.

Main Results:

  • Average daily ST was 77 minutes, with shows/movies/videos (69 min/day) and entertainment content (55 min/day) being most prevalent.
  • Higher ST in shows/movies/videos, mobile devices, and entertainment content correlated with lower executive function scores.
  • Communication ST and co-use with an adult were associated with higher language scores.

Conclusions:

  • Entertainment-focused screen time, particularly on mobile devices, is common and linked to diminished executive function in preschoolers.
  • Specific ST patterns, like communication with adult co-use, may support language development.
  • Findings support tailored recommendations to mitigate negative ST effects and leverage potential benefits.