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The Multi-Layered Structure Hypothesis of Qualia: Subjective Experience as the Continuous Refinement of Biological Response

Shinichi Fukuyama

Zenodo (CERN European Organization for Nuclear Research) March 17, 2026 DOI: 10.5281/zenodo.19068182 (opens in new tab)

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AI-extracted from the abstract
Characteristics Theoretical or philosophical paper Peer reviewed
Key points Argues that qualia are a multi-layered structure emerging as a structural necessity of life through continuous refinement of biological response along the axis DNA → cellular response → nervous system → instinct → qualia, rather than an accidental byproduct. Proposes that qualia are neither fully private experiences nor neutral sensory data, and presents the hypothesis as a provisional integration via fractal epistemology, subject to periodic revision.

Abstract

This paper proposes a multi-layered structure hypothesis of qualia, approaching the hard problem of consciousness — why physical processes are accompanied by subjective experience — from the standpoint of biological survival pressure. Rather than treating qualia as a singular mystery, this paper reframes them as the continuous refinement of biological response along the axis: DNA → cellular response → nervous system → instinct → qualia. From this perspective, qualia emerge as a structural necessity of life itself, rather than an accidental byproduct. Furthermore, qualia are neither fully private experiences nor neutral sensory data. This hypothesis is a provisional integration constructed through fractal epistemology and is presented with the explicit expectation of periodic revision.