Spinothalamic tract
Thalamus
Spinal cord
Spinal
nerve
Lesion 2: pons
Lesion 3: internal capsule
Lesion 4: cerebral cortex
Lesion 1: spinal cord
© KCL
Effects of a unilateral
lesion:
Contralateral loss of
pain, temperature and light
touch below the level of the
lesion.