Perception Constraints on Mass-Dependent Spontaneous Localization

Understand

Some versions of quantum theory treat wave function collapse as a fundamental physical phenomenon to be described by explicit laws.

• One motivation is to find a consistent unification of quantum theory and gravity, in which collapse prevents superpositions of space-times from developing.
• Another is to invoke collapse to explain our perception of definite measurement outcomes.
• Combining these motivations while avoiding two different collapse postulates seems to require that perceptibly different physical states necessarily create significantly different mass distributions in our organs of perception or brains.