

Motor neuron diseases may be caused by viruses (such as the polio Polio Polio is a highly contagious, sometimes fatal enterovirus infection that affects nerves and can cause permanent muscle weakness, paralysis, and other symptoms.

Motor neuron diseases can resemble peripheral nerve disorders, which affect nerve cells outside the brain and spinal cord rather than those in the spinal cord or brain.

read more ) as well as in the peripheral nerves. As a result, the muscles stimulated by these nerves deteriorate, become. Certain disorders cause progressive deterioration of the nerve cells in the spinal cord and brain that control muscle movement ( motor neuron diseases Amyotrophic Lateral Sclerosis (ALS) and Other Motor Neuron Diseases (MNDs) Motor neuron diseases are characterized by progressive deterioration of the nerve cells that initiate muscle movement.
