I recall Roger Penrose catching flack for his microtubules theory of consciousness - looks like I missed his Orchestrated Objective Reduction theory:

http://www.consciousentities.com/penrose.htm

https://medium.com/awake-alive-mind/roger-penrose-on-the-bra...

https://en.wikipedia.org/wiki/Orchestrated_objective_reducti...

https://www.sciencedirect.com/science/article/pii/S157106451...