The peripheral nervous system extends body-wide, encompassing nerves that branch out from the spinal cord and the brain. The cerebrum is physically divided into two halves—the left hemisphere ...

the left hand to the right brain, and so on throughout the body, the stimulus would be given to the side of the body opposite the brain hemisphere being tested.) These abilities were not absolute ...

Together, these findings suggest that like some other human characteristics ... researchers determined that left-handed ...