Study Links Early Screen Time to Later Learning and Memory Challenges

Published: July 13, 2026

hessam-nabavi-vTQbhYfZZ5s-unsplash — Photo from Hessam Nabavi via Unsplash

By Movieguide® Staff

A child’s earliest years are packed with discoveries that no screen can fully replace: a parent’s face, a conversation, a book read aloud and the give-and-take of play.

A new longitudinal study followed 502 children from infancy into middle childhood and found that higher screen-viewing time at certain stages was associated with poorer later academic performance and weaker working memory.

The research, published in the WORLD JOURNAL OF PEDIATRICS, drew on the Growing Up in Singapore Towards healthy Outcomes birth cohort.

The study examined parent-reported screen time at six points between ages 1 and 8. Its strongest associations appeared during infancy and again around school-entry age, which the researchers described as potentially sensitive developmental windows.

That wording deserves attention. The study found associations, not a guarantee that a particular child will struggle because of one extra hour with a device.

Still, the researchers warned that screen use may displace the learning interactions young children need. They said early infancy may be a period when the developing brain is especially vulnerable to losing those exchanges.

Screen use at ages 2 and 3 did not show significant links in this study, but the associations returned at age 6, when many children begin formal schooling. The authors said that result suggests families should think not only about the total amount of screen time, but also about when it happens.

“The effect sizes we saw at age 1 were the largest among all time points we examined,” the authors said. “That suggests early infancy may be a window of heightened sensitivity, when the developing brain is particularly vulnerable to the displacement of learning interactions by screen time.”

The findings line up with broader guidance, though this study does not settle every question about devices and development. The World Health Organization has said children under 1 should not have sedentary screen time, and it recommends no more than one hour for children ages 2 to 4, with less being better.

Families also should not hear this as an invitation to panic or shame. The researchers noted that future work needs to examine the quality of content, the type of device and whether parents watch alongside their children.

Those details matter in a real home. A video call with a grandparent, a parent and child reading together on a device, and hours of solitary scrolling do not create the same experience.

Parents can start with a simple goal: protect time for sleep, movement, conversation, imaginative play and shared reading. Screens can be useful tools, but young children still learn best through the people and world God has placed around them.

That is encouraging news because families do not need expensive solutions to begin. Putting a device down for a story, a walk or a few unhurried minutes of conversation can help a child practice the attention and connection that will serve him or her for years.

Small routines add up over time. When adults model a healthy relationship with their own devices, children receive a steady lesson that screens are tools to use wisely, not masters that deserve every quiet moment.

The goal is not perfection. It is a home where the most formative moments still happen face to face, with room for questions, laughter, correction and love.

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