Your nerves transmit messages within the brain, as well as among the brain, spinal cord, and the body. In order to do this, they use a combination of electrical and chemical signaling. Motor neurons ...
A somatosensory evoked potential (SEP) test examines how the spinal cord and brain transmit information. It can detect spinal cord problems that may cause arm and leg numbness. A SEP test is one of ...
A motor evoked potential (MEP) test can determine whether there is any damage along the nerves in the brain and spinal cord. It is a painless procedure but may cause some skin discomfort. An MEP test ...