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Cambridge Study Maps 5 Lifespan Brain Epochs, With ‘Adolescence’ Extending Into Early 30s

Built from diffusion‑MRI scans of about 3,800 people, the framework traces average turning points at roughly 9, 32, 66 and 83 rather than fixed ages for everyone.

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Adolescence Extends to 32 as Cambridge Study Maps Five Lifespan Brain Epochs