Haruki Murakami, master novelist and enthusiast of long distance running, makes this observation about the repetition of writing, and the experience of repetition itself as a perceptual tool for tweaking the senses:
“The repetition itself becomes the important thing; it’s a form of mesmerism.
I mesmerize myself to reach a deeper state of mind.”
brettworks 
I read about this in a book of the authors “Briggs.J & Peat F.D” they talk about the chaos theory but they comment that repetition and recursiveness are something chaotic and at the same time ordered. They also put the example of the buddist monks and the mantras that repeat and repeat until they reach a state of mind.
Thanks for writing Alberto. I’m not familiar with the book of which you’re speaking, but I am familiar with mantra chanting and its use
to achieve new states of mind. Repetitive (musical) sound seems to have this transformative effect generally.