This picure shows some basic literature that leads to another view on learning. Starting with „Inner Game in Tennis“ by Timothy Gallwey over „Choke“ by Sian Beilock to „Non linear pedagogy in skill acquisation“ by Jia Yi Chow et al. Studies by Wolfgang Schöllhorn, Gabriele Wulf (external focus), Keith Davids. Most of the literature and studies is from other sports than tennis. On this blog you can find more informations by Nick Winkelmann, Machar Reid, Marc O’Sullivan. Search for „constraints led approach“ or „implicit learning“.