Sensory Pathways

Question 1

4 main ascending pathways

Answer 1

Dorsal column
Spinothalamic
Posterior spinocerebellar
Anterior spinocerebellar
First 2 are conscious, next 2 are not

Question 2

Fasciculus gracillis vs fasciculus cuneatus

Answer 2

G: hindlegs
C: arms

Question 3

Spinothalamic pathway

Answer 3

Synapses in the spinal cord, then thalamus, then to cortex

Senses pain and temperature

Question 4

Dorsal column-medial lemniscal pathway

Answer 4

Into spine, branches and collateral goes to medulla, then to thalamus, then cortex
Carries detailed information

Question 5

Spinocerebellar path

Answer 5

Synapses in spinal cord, then to cerebellum