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Updated: Jan 7, 2026

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Decomposing the Variance in Reading Comprehension to Reveal the Unique and Common Effects of Language and Decoding
Published on: October 11, 2018
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Comprehension as Purification in Reading
Miho Fuyama1,2
1College of Letters, Ritsumeikan University, 56-1 Toujiin Kitamachi Kita-ku, Kyoto 603-8577, Japan.
Entropy (Basel, Switzerland)
|December 24, 2025
Summary
This study introduces the purification comprehension hypothesis, explaining how readers achieve holistic, ineffable understanding through a quantum probability model. Reading is viewed as a purification process that enhances comprehension and reduces uncertainty.
Area of Science:
- Cognitive Science
- Quantum Physics
- Literary Theory
Background:
- Traditional text comprehension research focuses on linguistically expressible aspects.
- Holistic, ineffable comprehension experiences during reading are not well-explained.
- A gap exists between humanities-based literary studies and scientific cognition models.
Purpose of the Study:
- To propose the purification comprehension hypothesis to explain indescribable comprehension.
- To model the reading process using quantum probability theory.
- To bridge scientific and humanistic approaches to reading and cognition.
Main Methods:
- Formulating the purification comprehension hypothesis based on quantum probability.
- Describing the reading process as a state purification.
- Introducing concepts of state dimensionality and von Neumann entropy in comprehension.
- Differentiating between purification and deterministic reading types.
Main Results:
- The proposed model explains how readers achieve coherent, ineffable comprehension.
- The reading process is conceptualized as a purification of the reader's interpretation state.
- Purification increases state dimensionality and decreases von Neumann entropy.
- Two reading types, purification and deterministic, are identified.
Conclusions:
- The purification comprehension hypothesis offers a novel framework for understanding reading.
- The model integrates quantum probability theory with literary comprehension.
- Findings have implications for cognitive models minimizing Shannon entropy and for understanding cognition in other modalities like music and art.
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