Thanks for your posts and the great encouragement you're giving people.
There's a book called "Psycho Cybernetics" by Maxwell Maltz from the 1950s or so, which is easily available and inexpensive, and gives an excellent explanation of this and related phenomena.
I just found a good summary of it here:
https://www.meaningfulhq.com/psycho-cybernetics-by-maxwell-maltz.html
upvote and resteem