Story perspectives

Study Links Screen Time to ADHD Symptoms and Brain Changes

10/31/2025

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Summary

Story summary

The study analyzed the relationship between screen time and ADHD symptoms using data from 10,116 participants at baseline and 6,986 at a two-year follow-up.
Researchers used linear mixed-effects models to analyze ADHD symptoms and brain structure, adjusting for age, sex, and parental education.
Mediation analyses tested whether brain-structure changes mediated the link between screen time and ADHD symptoms, using MRI data from 34 cortical regions for volume and thickness.

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Story summary

The study analyzed the relationship between screen time and ADHD symptoms using data from 10,116 participants at baseline and 6,986 at a two-year follow-up.
Researchers used linear mixed-effects models to analyze ADHD symptoms and brain structure, adjusting for age, sex, and parental education.
Mediation analyses tested whether brain-structure changes mediated the link between screen time and ADHD symptoms, using MRI data from 34 cortical regions for volume and thickness.