This short clip is taken from a Derren Brown show and is an excellent demonstration of P.W.A. Perception Without Awareness.
This has been used in football to great effect with individual players and on teams .
Video imagery, still imagery and written text has been used resulting in performance enhancement and consistent maximal performance through the facilitation of quick and correct decision making.
Decison making is crucial in elite level sport and can be a key factor in achieving a competetive edge.
There are many examples and references in psyhology literature to suggest priming can facilitate, enhance and speed up decision making. (Parkin, 2000)
For further details of how this can be applied in sport please feel free to contact me.
Obviously the video does give the odd clue and hint but does not give away how to do this work. Those trying to copy without the relevant knowledge are likely to harm and make performance worse. Please be aware of this