And the linguistic aspect is not only words in themselves or how you use them, it's also the language you use to talk to yourself. As a learner, as a teacher and as a person. The classic example from NLP about language is that if you are faced with a task and you say 'I've got this problem to deal with', problem is a word which carries a whole load of baggage, overtones of difficulty, time and effort needed. And that ties in as well, with the whole physical thing. You can't separate them.
People learn if they can move around.
If you watch actors when they're learning lines, they pace up and down, trying it out. It's the worst way to learn. Apparently their results improved. It's not just a cushion, it gives them some autonomy and some control. And some feeling of self-importance.