Short Wave Short Wave

When is your brain actually 'adult'?

Sep 7, 2026 · 13m

Summary

A new study from Duncan’s lab reveals four distinct turning points in human brain development, suggesting adolescence lasts until age 32. The episode explores how the brain prioritizes efficiency and myelination during this long phase, using city and highway analogies to explain network integration. Guests discuss how these stages correlate with the onset of mental health conditions and why our slow development is a key evolutionary advantage for adaptation and diversity.

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