Too Much Alone Time Has a Startling Effect on the Teenage Brain
National Geographic December 22, 2025
Co-Executive Director Adriana Galván was quoted in a recent National Geographic article discussing the effects of social isolation and how social interactions can promote positive development during adolescence. “The success of ‘reversing’ negative impacts depends on the nature of the social isolation, the individual’s developmental history, and current context,” says Galván, “But, in general, greater engagement in social interactions, establishing meaningful relationships, and genuine support from others can help mitigate any negative impacts of social isolation.”
Recent News
April 20, 2026
The UCLA Center for the Developing Adolescent was cited in a New America article highlighting organizations and research that have supported the National Commission on Learning Ecosystems’ understanding of adolescent development and how to build ecosystems that support young people. The National Commission on Learning Ecosystems is a two-year initiative, announced in February 2026, that focuses on making stronger connections between U.S. public schools and out-of-school programs.
April 16, 2026
The Wallace Foundation interviews CDA’s Co-Executive Director Adriana Galvan for an article on how adolescent brain development shapes risk-taking and learning, and why relationships, exploration, and access to out-of-school-time opportunities matter for developing adolescents.
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