I feel the metaphor is more how do you re-learn to stand on your feet and walk after a year in space. You might have to start from scratch, and not even factori

I feel the metaphor is more how do you re-learn to stand on your feet and walk after a year in space. You might have to start from scratch, and not even factoring in that neural paths might take longer than muscle fibers to get back to a baseline (mental) fitness.