A common stereotype about left-handers is that they choose certain jobs more often than right-handers. These include, for example, jobs that require a lot of creativity, like an artist or musician, but also jobs that require good visual-spatial skills, like an architect. The reason for this assumption is linked to the fact that left-handedness is a form of brain asymmetry, representing a functional left-right difference in the brain.

In left-handers, the motor cortex in the right half of the brain is dominant for any sort of more complicated fine-motor skill, like writing with a pen. This is the case since the right half of the brain controls the left part of the body, including the left hand. Importantly, in most people, the right half of the brain is dominant for........

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