The cerebral hemisphere that controls language is called the dominant hemisphere. In most individuals, language functions are processed in the left hemisphere. As evidence of this left brain dominance, brain lesions that adversely affect language are found in the left hemisphere in about 95% of cases.

Is the left hemisphere dominant?

Because the left hemisphere also controls the dominant right hand, it came to be widely regarded as the dominant or major hemisphere, and the right as nondominant or minor.

Which hemisphere is dominant in right-handed?

But handedness has its roots in the brain—right-handed people have left-hemisphere-dominant brains and vice versa—and the lefties who claim Einstein weren't all that far off.