[Source:  Medical News Today]

Children with more symmetrical hands have speedier mental responses than others, according to a study.

Children with balanced physical proportion on their left and right hands were able to react more quickly in mental tests. This was true even after accounting for age and gender differences, researchers found.

Researchers say the findings suggest a connection from an early age between bodily symmetry and mental performance.

Previous studies have already revealed a link between bodily symmetry and mental performance in old age, as men with more symmetrical faces are less likely to experience a slow down of brain power in later life.

Health data from 856 children aged 4 -15 years in Edinburgh was used in the new study, carried out by the Universities of Edinburgh and Glasgow. Hand symmetry was recorded using a digital scanner. Reaction times were measured in a computer-based test.

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