[Verse 1] Rao and Ballard watched the visual cortex dance In ninety-nine they caught predictions in advance Neural circuits guessing what comes next in sight Error signals flowing when the forecast wasn't right Top-down meets bottom-up in computational streams The brain's not passive receiver but predictor of scenes [Chorus] Predictive coding, free energy too The mind's a machine that's modeling you Hierarchical Bayes updating beliefs From Friston's equations to consciousness themes Whatever next, whatever next The brain keeps guessing, laying bets [Verse 2] Friston took the vision further twenty-ten Free energy principle to explain where and when Minimize surprise through action and perception Active inference drives each neural connection From cellular membranes to society's dance One mathematical framework for biological stance [Chorus] Predictive coding, free energy too The mind's a machine that's modeling you Hierarchical Bayes updating beliefs From Friston's equations to consciousness themes Whatever next, whatever next The brain keeps guessing, laying bets [Verse 3] Andy Clark declared the future has arrived Situated agents keeping predictions alive Embodied cognition meets computational might The extended mind thesis gaining new insight But Hohwy warned the boundaries might dissolve When inner models all external worlds involve [Verse 4] From dopamine spikes to consciousness complete The prediction error minimizing machine's feat Anil Seth shows how perceptual illusion Reveals controlled hallucination's conclusion Reality constructed through Bayesian lens Where prediction meets precision that never ends [Bridge] Then Cao came calling with a critical voice New labels masking old ideas by choice Does free energy add substance to the game Or mathematical clothing for theories the same Litwin and Miłkowski raised the testing bar Can we falsify these claims or have we gone too far [Chorus] Predictive coding, free energy too The mind's a machine that's modeling you Hierarchical Bayes updating beliefs From Friston's equations to consciousness themes Whatever next, whatever next The brain keeps guessing, laying bets [Outro] From retinal circuits to conscious experience The prediction game demands our perseverance Question every framework, test each bold claim In cortical coordination's endless game
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