Motor neuron disease is an umbrella term, with many different types of illness grouped in this category. Amyotrophic lateral sclerosis (ALS) is a fatal disease and the most common MND, affecting ...

Descending influences from the cortex via upper motor neuron pathways on spinal motor neurons provide an inhibitory influence on local spinal motor circuits.

Motor neuron disease (MND) is a progressive condition that occurs when certain nerve cells degenerate and die. There are two types of motor neuron cells. The upper motor neuron begins in the brain ...