This study will identify and characterize the subgroups of adolescents sharing similar trajectories of screen use from childhood to adolescence.

The post Identification and characterization of screen use trajectories from late childhood to adolescence in a US-population based cohort study appeared first on SRI.

This project used generalized additive mixed models to examine sex-specific development of subcortical volumes and associations with recent alcohol use...

The post Associations between alcohol use and sex-specific maturation of subcortical gray matter morphometry from adolescence to adulthood: Replication across two longitudinal samples appeared first on SRI.

The aim of this study is to quantify differences in blood pressure and weight before and during the COVID-19 pandemic among a demographically diverse national sample of early adolescents.

The post Higher blood pressure and weight observed among early adolescents during the COVID-19 pandemic appeared first on SRI.

Although objective sleep continuity
remains unchanged across the regular, asymptomatic menstrual cycle, activity in the sleep electroencephalogram varies.

The post The Menstrual Cycle and Sleep appeared first on SRI.

Our objective was to examine differences in device-based step metrics, including daily step count by sociodemographic factors among a diverse sample of 10-to-14-year-old adolescents in the US.

The post Social epidemiology of Fitbit daily steps in early adolescence appeared first on SRI.

We aim to determine associations between bedtime screen time behaviors and sleep outcomes in a national study of early adolescents.

The post Bedtime screen use behaviors and sleep outcomes: Findings from the Adolescent Brain Cognitive Development (ABCD) Study appeared first on SRI.

We tracked developmental changes in polysomnographic (PSG) and electroencephalographic (EEG) sleep measures and their relationship with emergent alcohol use in adolescents considering confounding effects (e.g., cannabis use).

The post Effects of emerging alcohol use on developmental trajectories of functional sleep measures in adolescents appeared first on SRI.