10.20 Notes

Question 1

Size of receptive fields

Answer 1

Varies across the body; inversely related to the size of the brain area

Question 2

Deafferentation

Answer 2

Destruction of the Afferent nerves

Question 3

Dorsal column medial lemniscal pathway

Answer 3

Receptive field > dermatome > dorsal root ganglion > spinal cord > caudal medulla (where the info decussates) > ventral posterior nucleus (VPN) of the thalamus > interior parietal cortex > postcentral gyrus > posterior parietal cortex