Innovation
Lab-Grown Brain Organoids Achieve Goal-Directed Learning in Breakthrough Study
Researchers at UC Santa Cruz have demonstrated that lab-grown brain organoids can process information in real time and learn to solve problems through trial and error. The mini-brains improved their success rate on an engineering balance test from 4.5% to 46% using reinforcement learning.
Key Takeaways
- Brain organoids improved from 4.5% to 46% success on cart-pole balance test
- Learning occurred without sensory experience, a body, or complete brain architecture
- Reinforcement learning algorithm acted as a coach guiding neural activity
- Study published in Cell Reports by UC Santa Cruz researchers
- Raises fundamental questions about whether learning is intrinsic to neural tissue
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