A child prodigy is someone who is a master of one or more skills or arts at an early age.
One generally accepted heuristic for identifying prodigies is the following: a prodigy is someone who, by the age of roughly 11, displays expert proficiency or a profound grasp of the fundamentals in a field usually only undertaken by adults.
Exceptional talent in mathematics is relatively easy to identify because an important sign of it — the ability to solve problems quickly or at a high level of difficulty — is relatively simpler to measure than signs of other talents.
Because of this, most research on prodigies focuses on mathematical genius.
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