The Wikipedia has extensive articles touching the subject. It is a flash of a moment when a sensation turns into meaning see Sequence of Encounter reply in Newsletter & this part of a graph. I have noticed my brain sense patterns in everything from the clouds in the sky & the images on TV to language patterns & behavior here at fbi & elsewhere. Such appears more fundamental than moral arguments in politics & givers birth to the #RWG & even problems with the Golden Rule. Patterns is what we seem to talk about when we are not talking about ourselves. Enjoy this thought it is still undergoing metamorphosis.