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Huberman Lab

Essentials: Using Play to Rewire & Improve Your Brain

January 29, 2026 • 34m

Summary

⏱️ 8 min read

Overview

Andrew Huberman explores the neuroscience and psychology of play, revealing how it serves as a powerful mechanism for brain plasticity throughout life. He explains how play isn't just for children but is essential for adults to maintain cognitive flexibility, creativity, and adaptability. The episode covers the neurochemical basis of play, the importance of low-stakes contingency testing, and practical ways to incorporate playful activities into adult life for continued brain development.

The Neuroscience of Play and Brain Plasticity

Huberman introduces play as a fundamental biological mechanism centered in the periaqueductal gray (PAG) of the brainstem, which releases endogenous opioids during play. This chemical state allows the prefrontal cortex to expand its operations and explore different possibilities. Play isn't just fun—it's how the brain learns to test contingencies in low-stakes environments, developing the ability to assess "if I do this, then that happens" scenarios that are crucial for executive function and creative thinking.

  • The periaqueductal gray (PAG) releases endogenous opioids during play, creating a unique brain state
  • Play allows the prefrontal cortex to explore different roles and contingencies in a safe environment
  • Play is fundamentally about exploring contingencies - testing what happens when you do A versus B
  • Tinkerers, creatives, and successful people maintain a strong element of play throughout their lives
" Play is really where we can expand our catalog of potential outcomes, and it can be enormously enriching. "
" Play is the most powerful portal to plasticity. "

Low-Stakes Contingency Testing Through Play

The core purpose of play is to test different outcomes in environments where the stakes are low enough that individuals feel comfortable exploring new roles and behaviors. This allows both children and adults to discover how they respond to various scenarios, learn about others, and expand their behavioral repertoire without serious consequences. Play teaches us about rule-following, rule-breaking, and social dynamics in ways that prepare us for real-world interactions.

  • Play allows exploration of different outcomes in low-stakes environments where failure is acceptable
  • The key theme is contingency testing under conditions where stakes are low enough to feel comfortable
  • Play helps discover personal proficiencies and learn about how others behave under different conditions
  • Rule-breaking during play serves an important developmental function
" Play is contingency testing under conditions where the stakes are sufficiently low that individuals should feel comfortable assuming different roles, even roles that they're not entirely comfortable with in their outside life. "

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