One theory of the relationship between language and handedness suggests that both speech and dexterity are related.

Question

Quizplus · Accepted Answer

This theory, called the motor theory of language, proposes that language and dexterity rely on the same neural mechanisms in the brain, and that individuals who have left hemisphere dominance for language also have right-handed dominance for fine motor tasks. Therefore, the theory suggests that language and handedness are related.

One Theory of the Relationship Between Language and Handedness Suggests