Unlike cerebral palsy, amyotrophic lateral sclerosis is a progressive disorder affecting voluntary motor control. the degenerating motor neurons are part of tracts within the spinal cord, brain stem, and cerebral hemispheres.
which of the following tracts is not affected by amyotrophic lateral sclerosis?

a) anterior spinocerebellar tract
b) tactile receptor
c) corticospinal pathway
d) none of the above