Philosophical Review 130 (2):263-209 (2021)

Andrew Y. Lee
University of Oslo
Conscious experiences are characterized by mental qualities, such as those involved in seeing red, feeling pain, or smelling cinnamon. The standard framework for modeling mental qualities represents them via points in geometrical spaces, where distances between points inversely correspond to degrees of phenomenal similarity. This paper argues that the standard framework is structurally inadequate and develops a new framework that is more powerful and flexible. The core problem for the standard framework is that it cannot capture precision structure: for example, consider the phenomenal contrast between seeing an object as crimson in foveal vision versus merely as red in peripheral vision. The solution I favor is to model mental qualities using regions, rather than points. I explain how this seemingly simple formal innovation not only provides a natural way of modeling precision, but also yields a variety of further theoretical fruits: it enables us to formulate novel hypotheses about the space and structures of mental qualities, formally differentiate two dimensions of phenomenal similarity, generate a quantitative model of the phenomenal sorites, and define a measure of discriminatory grain. A noteworthy consequence is that the structure of the mental qualities of conscious experiences is fundamentally different from the structure of the perceptible qualities of external objects.
Keywords quality-space  mental quality  phenomenal precision  formal phenomenology  structure of experience  phenomenal sorites  phenomenal similarity  perceptual noise  perceptual confidence  discriminatory grain  models of consciousness
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DOI 10.1215/00318108-8809919
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References found in this work BETA

Science, Perception and Reality.Wilfrid Sellars (ed.) - 1963 - New York: Humanities Press.
The Structure of Appearance.Nelson Goodman - 1951 - Harvard University Press.
Sensory Qualities.Austen Clark - 1992 - Clarendon Press.

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