Collapse and Measures of Consciousness
Adrian Kent (Centre for Quantum Information, Foundations, DAMTP,, University of Cambridge, Perimeter Institute for Theoretical Physics)

TL;DR
This paper discusses the idea that consciousness-related measures could be linked to quantum collapse, arguing that symmetries necessary for certain models are unlikely in human minds but might be considered in artificial systems.
Contribution
It challenges the applicability of symmetry-based arguments against single-measure collapse models in human consciousness and explores implications for artificial systems.
Findings
Symmetries required for collapse models are unlikely in human brain states.
Theories mapping network states to mind states should assign identical states to isomorphic networks.
Familiar conscious experiences are unlikely to be related by symmetries in such models.
Abstract
There has been an upsurge of interest lately in developing Wigner's hypothesis that conscious observation causes collapse by exploring dynamical collapse models in which some purportedly quantifiable aspect(s) of consciousness resist superposition. Kremnizer-Ranchin, Chalmers-McQueen and Okon-Sebasti\'an have explored the idea that collapse may be associated with a numerical measure of consciousness. More recently, Chalmers-McQueen have argued that any single measure is inadequate because it will allow superpositions of distinct states of equal consciousness measure to persist. They suggest a satisfactory model needs to associate collapse with a set of measures quantifying aspects of consciousness, such as the "Q-shapes" defined by Tononi et al. in their "integrated information theory" (IIT) of consciousness. I argue here that Chalmers-McQueen's argument against associating a single…
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