Cognitive Development in the Digital Age: Impacts of Screen Exposure on Children and Adolescents

The rapid integration of digital technologies into daily life has transformed how children and adolescents learn, socialize, and engage with their environment. This review examines current evidence on the cognitive implications of screen exposure among young populations, focusing on attention, memory, executive functioning, language development, and learning processes. Findings from contemporary research reveal a complex and mixed-picture relationship between screen use and cognitive development. Moderate and developmentally appropriate screen interactions—particularly those involving educational content or guided co-use with caregivers—are associated with enhanced visual–spatial skills, problem-solving abilities, and opportunities for enriched learning. Conversely, excessive, poorly regulated, or multitasking-oriented screen use has been linked to diminished sustained attention, reduced working memory performance, delayed language acquisition in early childhood, and weaker academic outcomes. Influencing factors such as content quality, duration of exposure, developmental stage, family media practices, and socio-environmental contexts significantly moderate these cognitive outcomes. The review highlights methodological inconsistencies and gaps in longitudinal evidence, underscoring the need for more nuanced research exploring causal pathways and individual differences. Overall, the study provides an integrated perspective on how digital environments shape cognitive development, offering implications for parents, educators, and policymakers aiming to foster healthy and balanced digital engagement among children and adolescents.