The Psychology of People

Your Brain at Fifteen: The Hidden Synapse Revolution We Never Knew About

17:22 by The Observer
adolescent brain developmentsynaptic pruningsynapse hotspotsteenage brainschizophrenia researchKyushu Universitybrain plasticityneural developmentteen mental healthneuroscience 2026

Show Notes

For decades, scientists believed the teenage brain was primarily about elimination—pruning away excess neural connections to become more efficient. Groundbreaking 2026 research from Kyushu University reveals the opposite is also happening: adolescent brains actively construct dense new clusters of synapses in specific locations. When this process fails, it may contribute to schizophrenia, fundamentally changing how we understand both typical teenage development and mental illness.

Chapters

  1. 0:00 Introduction
  2. 1:23.599999999999994 Deep Dive
  3. 12:56.5 Expert Insights
  4. 13:53.5 Expert Insights 2
  5. 14:17.200000000000045 Expert Insights 3
  6. 14:40.799999999999955 Expert Insights 4
  7. 14:55.299999999999955 Deep Dive 2
  8. 16:27.200000000000045 Closing Thoughts
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