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Research Letter

Social Media Use Trajectories and Cognitive Performance in Adolescents

JAMA 10.1001/jama.2025.16613

October 13, 2025 at 11:00 AM EDT

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This study uses prospectively collected data from the ABCD study to assess the relationship between longitudinal patterns of social media use (hours per day) and cognitive performance after 2 years in a diverse US sample of younger adolescents.

Corresponding Author: Jason M. Nagata, MD, MSc, 550 16th St, Fourth Floor, Box 0503, San Francisco, CA 94143 (jason.nagata@ucsf.edu).

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