Build sharper mental representations

Develop a detailed internal model of what excellent performance looks like.

Why it works

Experts hold rich, detailed mental representations of their domain that let them plan, monitor, and self-correct in real time — it is how a chess master "sees" a position or a musician hears a phrase before playing it. These representations are built by deliberate practice, and in turn they make further practice more precise, creating a virtuous loop. Improving the model improves the practice.

How to do it

1. Study models of excellence closely enough to notice what distinguishes great from merely good.
2. Before each attempt, picture the target performance in concrete detail.
3. After each attempt, compare what happened to that model and name the specific gap.

Evidence

Mental representations are a cornerstone of Ericsson’s theory of expertise, supported by decades of work on expert memory and perception showing experts encode their domain in structured, meaningful patterns rather than raw detail. (observational)

Representations are inferred from behavior and recall, not directly measured; their exact form remains a model rather than a settled fact.

Sources

• Ericsson & Pool (2016), "Peak" (role of mental representations in expert performance)
• Chase & Simon (1973), expert chess memory and chunking, Cognitive Psychology
• Chase, W. G., & Simon, H. A. (1973). Perception in chess. Cognitive Psychology, 4(1), 55-81.

Common mistake

Practicing without a clear picture of the target, so each rep aims at "do it again" rather than at a specific standard of excellence.