Their reactions may be a complex combination of instant reflexes, input from past driving experiences, and what their eyes and ears tell them in that moment.
Said student having an antipathy to the proctor who roomed beneath, was accustomed to squeeze piggy’s ears and make him squeal whenever said proctor was engaged in the study of the classics.
And a lot of times I was, honestly, too lazy to learn how to read the notes and play the notes, so I would play by ear, I would just listen to something and then I would try to play it back myself.