Where are the centers of speech for right-handers?
August 27, 2021
The brain has several speech centers: Broca’s zone (near the center of the brain that controls the “speech muscles”); Wernicke’s zone (controls the content of speech); a large nerve bundle that connects the aforementioned zones (controls the content of speech). These zones in a greater proportion of people are located in the left hemisphere. Location in the left hemisphere can be observed in 95% of right-handers, and in left-handers – 70%. In left-handers and right-handers, speech is controlled by both hemispheres. Right – and left-handedness are traits that are genetically determined. The emergence of such a phenomenon as speech is interconnected with work activity: a more skillful right hand is innervated from the left hemisphere.
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