Thursday, February 22, 2007

Mind of the Masters: Intelligence and Expertise

In a recent study of tournament chess players, scientists found that high intelligence and expertise (ELO ranking) had different contributions to brain activation, although both increased speed and performance on chess-related reasoning tasks. High IQ also seemed to confer an additional advantage...the higher the IQ, the more brain efficient, so EEG event-related desynchronisations suggested they also didn't have to work as hard to get correct answers.

Superior performance and neural efficiency: impact of intelligence and expertise pdf

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