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Content: So as long as there is a macroscopic effect from a quantum entity, that object can be considered to be “observed” or “measured” — with no need for a conscious human observer. In the double-slit experiment, the electron is “observed” by the detector at the slit. The state of Schrodinger’s Cat is “observed” by the air it breathes (or not) inside the box, which is “observed” by interacting with the molecules of the box, which is “observed” by interacting with photons in the rest of the universe. The simple act of a particle *interacting* in any way with other particles in the universe, means it is “observed” by the universe. It’s quantum state (or wave function) collapses at that point; indeterminacy becomes resolved. Giant neurons found in the mouse brain may organize “conscious” activity. Consciousness plays no role in that observation. If you want to see quantum indeterminacy on the macroscale, you need to completely isolate the thing you are observing from the rest of the universe. That’s hard to do.