Major ascending and descending
pathways
Effects of transection of half of the
spinal cord
© KCL
Dorsal column
(dashed) tract
Spinothalamic
tract
Lateral corticospinal
tract
Spinothalamic tract:
Loss of pain and
temperature on the side of
the body opposite to the
lesion, below the lesion.
Dorsal column tracts:
Loss of discriminative touch,
vibration sense and
conscious proprioception on
the same side as the lesion,
below the lesion.
Lateral corticospinal tract:
Upper motor lesion causing
spastic paralysis / weakness
on the same side as the
lesion, below the lesion.