

Brain Rot
Oct 10, 2025
Ava engages with a panel of experts including Jonathan Haidt, Dr. Michael Rich, and Dr. Emma Duerden to explore the complex relationship between screens and youth mental health. They discuss Haidt's contentious thesis on smartphones and mental health, with some scientists challenging the idea of a direct link. Ava and Dr. Duerden conduct an eye-opening experiment measuring teen brain activity, revealing surprising insights about social media's impact, the importance of content quality over quantity, and the necessity of parental engagement in fostering healthy screen habits.
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Haidt's 'Great Rewiring' Thesis
- Jonathan Haidt argues smartphones caused a sharp rise in teen anxiety and depression starting around 2013.
- His book The Anxious Generation has influenced policy despite contested scientific backing.
Real-Time Brain Responses To Social Stimuli
- Dr. Emma Duerden measures teens' brain responses to social stimuli using real-time brain imaging.
- Her lab links heavier social media use to reduced social-cognitive brain activity in teens.
Teen Brain Monitored During Pixar Short
- Olivia, a 16-year-old, wore a mesh cap that tracked blood flow while watching a Pixar short.
- The lab observed clear spikes in her prefrontal cortex when emotional scenes appeared.