
Cognition & AI
Let the Wobble Teach
Why kids learn skills from wobbles, pauses, and prediction errors — and what brain replay can teach parents about practice.
3 articles

Why kids learn skills from wobbles, pauses, and prediction errors — and what brain replay can teach parents about practice.

The brain-runs-on-RL story is elegant, productive, and partially true. But 2025 has four new studies that make the simple version increasingly hard to defend — and the complicated version way more interesting.

The brain doesn't receive reality — it predicts it. What Piaget's infants and a context-limited transformer reveal about the architectural gap between biological and artificial intelligence.