Perhaps most surprisingly, mental simulation can also build skills. A review of thirty-five studies featuring 3,214 participants showed that mental practice alone—sitting quietly, without moving, and picturing yourself performing a task successfully from start to finish—improves performance significantly. The results were borne out over a large number of tasks: Mental simulation helped people weld better and throw darts better. Trombonists improved their playing, and competitive figure skaters improved their skating.
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