Jennifer Pfeifer
Neuroscientist who researches adolescent brains, hormones, social lives, and mental health; delivered the TEDx talk about reframing adolescence as a peak period of brain development and opportunity.
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Oct 27, 2025 • 16min
The surprising science of adolescent brains | Jennifer Pfeifer
Neuroscientist Jennifer Pfeifer dives into the intricate world of adolescent brains, shedding light on their transformative growth. She challenges myths around puberty and hormones, explaining how early maturation can lead to body image issues and depression risks, particularly for girls. Pfeifer also argues that adolescents can make mature decisions when given the right environment. With findings suggesting social media has a minimal impact on mental health, she emphasizes the importance of relationships and community support during these pivotal years.
Dec 23, 2025 • 17min
The surprising science of adolescent brains | from TED Talks Daily
Neuroscientist Jennifer Pfeifer shares her insights on the adolescent brain, reframing this tumultuous period as a time of growth rather than dysfunction. She discusses how puberty impacts sleep and body image, linking early puberty to increased depression risks. Dispelling myths, she explains that while adolescent brains mature into their mid-20s, teens can make sound decisions by age 16. Pfeifer emphasizes the minimal impact of social media compared to the influence of relationships and parental support on youth mental health.
