Finger III — Evolutionary Resonance and the Emergence of Experiential Complexity

Why experiential complexity proliferates, diversifies, regresses, and occasionally collapses over evolutionary time remains an unresolved problem for theories of consciousness. Traditional evolutionary accounts either treat consciousness as a directly selected trait, reduce it to cognitive or behavioral function, or dismiss it as an incidental byproduct of intelligence. This paper advances an alternative framework grounded in Structural Resonance Theory (SRT), arguing that experiential complexity emerges as a necessary consequence of selection acting on resonance architectures capable of sustaining integration, stability, and constraint navigation under finite energetic and environmental conditions. Within this framework, evolution is recast as selection over dynamic resonance architectures rather than over representational content, intelligence, or subjective experience itself. Experience is not posited as a target of selection, nor as epiphenomenal noise, but as a structurally contingent outcome that arises when architectures cross integration thresholds defined by spatiotemporal coherence, identity anchoring, and noise tolerance. The paper formalizes the concept of experiential regimes as structural classes characterized by block duration, fingerprint diversity, and identity persistence, providing a non-hierarchical account of experiential variation across species. The analysis introduces resonant selection as a structural analogue to adaptive fitness, explaining convergent and divergent experiential architectures without invoking homology, teleology, or linear scaling with neural complexity. Mutation and noise are reinterpreted as enforced exploration mechanisms required by the incompleteness of constraint satisfaction in finite systems, while regression, fragmentation, and collapse are shown to be expected outcomes under constraint tightening, energetic limitation, and over-specialization. The paper further articulates why experiential expansion exhibits directionality without goals, inevitability without destiny, and open-endedness without convergence toward perfection. Finger III integrates directly with the foundational axioms of Structural Resonance Theory and its prior analyses of experiential blocks and neural instantiation, extending the framework to evolutionary timescales without introducing new ontological commitments. The resulting account positions experiential complexity as historically contingent, structurally constrained, and evolutionarily fragile—neither accidental nor inevitable in outcome, but unavoidable in possibility under sustained exploration.