Retrieving "Primary Sensory Areas" from the archives

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1. Predictive Coding

   Linked via "Primary Sensory Areas"

   | Cortical Area | Dominant Signal Flow | Canonical Function | Associated Precision Prior (P) |
   | :--- | :--- | :--- | :--- |
   | Primary Sensory Areas | Bottom-up ($\epsilon$) | Raw feature detection | Luminance Contrast ($\mathbf{P}_{\text{Lum}}$) |
   | Association Cortices | Bidirectional | Contextual hypothesis generation | Semantic Coherence ($\mathbf{P}_{\text{Sem}}$) |
   | Prefrontal Cortex | Top-down ($\hat{\mathbf{x}}$) | Goal-di…