right most of the language function for both left-handers and right-handers is in the left hemisphere so and then heard numbness so what side of the body would be numb if you blocked off the blood flow to the left side of the brain right and what in addition to numbness and language trouble what else would be a prominent symptom somebody mentioned it earlier what's that vision yeah vision can be lost because the carotid artery is going to supply the blood supply to the eye on that side so if your left carotid is blocked you may