How long would it take for a human brain to form in a void, complete with a memory of having existed?

I was reading Wikipedia's fascinating 'Timeline of the Far Future' article, which is full of mind-warping events that will occur in the next 100 years and beyond.

You might think things would get boring at the 110 trillion year mark, the 'time by which all stars in the universe will have exhausted their fuel,' but that's really just the beginning of the weirdness to come. — Read the rest