[AndrewC]

And what about all the microtubules in all the other cells?

I suppose that might imply consciousness for individual cells. But it is Penrose's hypothesis.

[aruanan]

I suppose that might imply consciousness for individual cells. But it is Penrose's hypothesis.

Based on functionality, we may as well propose consciousness for the state of Illinois because of its railroads and expressways, because that's how microtubules are used by the cell.