Motor improvements in SMA adults treated with Spinraza paralleled a boost in electrical impulses along nerves that supply ...

The scientists explained that motor units are composed of a single motor neuron and the muscle fibers that it can excite. Various motor units, activated in different combinations and sequences ...

Motor neuron sends electrical impulses to an effector. Effector produces a response (muscle contracts to move hand away). Organisms are able to modify a reflex action and overcome it, but this ...