1.   But the latter test also excited the parietal cortex in the right hemisphere, the area that enables us to distinguish ourselves from others.

2.   Other parts, like the parietal cortices, are responsible for letting our eyes steadily track moving objects.

3.   The inferior parietal cortex also seems to be important for manual dexterity, and arithmetic begins with counting on the hands.

4.   While otherwise clearheaded, patients with damage to the right parietal cortex are unable to acknowledge the radical change that has overcome the left side of their body.