For example , structurally , the lateral sulcus generally is longer in the left hemisphere than in the right hemisphere , and functionally , Broca 's area and Wernicke 's area are located in the left cerebral hemisphere for about 95 % of right-handers , but about 70 % of left-handers .
An example of this is the lateral sulcus which usually longer in the left hemisphere than in the right one . Functionally , Broca 's area and Wernicke 's area are in the left cerebral hemisphere for about 95 % of right-handers , but only about 70 % of left-handers .