Inner Cosmos with David Eagleman cover image

Inner Cosmos with David Eagleman

Ep35 "What sticks in your brain and what doesn’t? "

Nov 20, 2023
Explore the concept of brain plasticity and how the brain can change through practice and perception. Learn about the Polgar Sisters, world champion chess players, and how their extensive practice shaped their brains. Discover how neurotransmitters like acetylcholine modulate neural plasticity and the physical changes observed in the brains of London taxi drivers. Reflect on the modifiability of the brain and its importance in learning, as well as the challenges of studying the effects of growing up with the internet.
58:24

Podcast summary created with Snipd AI

Quick takeaways

  • Relevance and motivation are crucial for brain plasticity, determining which experiences and information are more likely to be retained and reconfigured.
  • Experience and repetitive practice lead to structural changes in the brain, as certain regions become more developed and specialized based on an individual's goals and interests.

Deep dives

Brain plasticity and its role in learning and adaptation

The brain is capable of changing and adapting throughout life through a process called brain plasticity. This process allows the brain to reconfigure its neural connections in response to new experiences and learning. Plasticity occurs when the brain is exposed to relevant and meaningful stimuli that align with an individual's goals and interests. These stimuli trigger the release of neuromodulators, such as acetylcholine, which increase the brain's plasticity and ability to change. Relevance and motivation play a crucial role in brain plasticity, as they determine which experiences and information are more likely to be retained and reconfigured. It is through this process that expertise is developed, as individuals engage in deliberate practice and repetitive learning to refine their skills. This understanding of brain plasticity and its dependence on relevance has important implications for education and learning, suggesting that personalized and engaging approaches are more effective in promoting meaningful brain changes.

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