Free Energy Principle
The Brain as Scientist
Ontogenic Development • Hierarchical Active Inference
Development Stage
STAGE I
Sensory
Motor
Spatial
Temporal
Abstract
CURRENT TASK
Sensory Discrimination
Learn to distinguish environmental features through active sampling
FREE ENERGY
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PRECISION
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COMPLEXITY
0
COHERENCE
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Problem Space
0% Solved
Action Distribution π(a)
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→
↓
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Belief Landscape q(s)
Performance History
⏸ Pause
↻ Reset
1× Speed
The brain develops through ontogenic stages, solving increasingly complex problems
🧠
Professor
The brain is fundamentally a
hypothesis-testing machine
...