Human symbolic cognition—the capacity to reason about non-existent entities, derive infinite relations from finite experience, and coordinate around pure conventions—represents qualitative transformation distinguishing humans from all other known organisms. This article traces symbolic thought's emergence through progressive decoupling from physical terrain. We establish that coupling strength (direct physical interaction required for sensory experience) predicts abstraction potential statistically, but three factors drive cognitive metaphor causally: spatial structure, agentic manipulation, and lexical richness. This pattern extends across all Huddling Systems Model primitives—each exhibiting gradient from tight thermodynamic coupling through medium behavioral coupling to maximum symbolic drift. Language emerges when arbitrary sound-meaning mappings stabilize through population-scale social coordination (Fossilized Cycles at cultural level), requiring massive energy investment (~20% body energy) but enabling unlimited symbolic manipulation. Coherence-seeking—brain treating relational inconsistency like physical disequilibrium—usually serves coordination adaptively (coherent beliefs predict terrain better, enable cooperation, support learning). Maximum drift produces cognitive superpowers (counterfactual reasoning, cumulative culture, mathematics, shared fictions coordinating millions) but also creates unique vulnerabilities (Article 5's focus). We present six testable predictions distinguishing the framework from alternatives and acknowledge clear limitations. The drift thesis provides mechanistic pathway from thermodynamic coordination to symbolic thought, grounding Relational Frame Theory in physical substrate requirements while explaining human cognitive uniqueness. For Article 1, see: https://doi.org/10.5281/zenodo.17297684 For Article 2, see: https://doi.org/10.5281/zenodo.17390117 For Article 3, see: https://doi.org/10.5281/zenodo.18303517
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Rikard Calmbro
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Rikard Calmbro (Tue,) studied this question.
www.synapsesocial.com/papers/6971be6b642b1836717e30b9 — DOI: https://doi.org/10.5281/zenodo.18314756