Is it possible to get inside an athlete's head and instil a winning mentality? Dr Steve Peters, a consultant to the British Olympic cycling team and adviser to a host of other famous sporting names says it is about controlling the messages from our brain.
He tells Stephen Sackur why sportsmen and women need to learn to control the "chimp" side of their brain.
BBC Lab UK - Help investigate the psychology of pressure and get your performance analysed by Michael Johnson
You can watch the full interview on BBC World News on Tuesday 26 June at 15:30 GMT.
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