MOTOR NEURON DISEASE By N., Pam M.S. - April 7, 2013 describes any of the diseases or conditions which result in the progressive weakness and wasting of skeletal muscle and eventual paralysis. One such condition is called amyotrophic lateral sclerosis. MOTOR NEURON DISEASE: "Motor neuron disease is a group of conditions which directly affect an individuals motor system." Related Psychology Terms SCLEROSIS AMYOTROPHIC LATERAL SCLEROSIS (ALS) BULBAR PARALYSIS POLIOMYELITIS BACLOFEN QUADRIPARESIS BINSWANGER'S DISEASE GUILLAIN-BARRE SYNDROME BELL'S PALSY ATROPHY 1 Cite this page: N., Pam M.S., "MOTOR NEURON DISEASE," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/motor-neuron-disease/ (accessed February 21, 2020).