Thalamus (Exam 3)

Question 1

anterior nucleus

Answer 1

–>cingulate gyrus for emotional tone

Question 2

dorsomedial nucleus

Answer 2

–>prefrontal lobe for judgement/reasoning

Question 3

ventral anterior nucleus

Answer 3

from GP of BG to premotor and M1 for motor planning/regulation

Question 4

ventral lateral nucleus

Answer 4

from GP of BG to M1 and premotor area for motor output regulation

Question 5

ventral posterior nucleus

Answer 5

project to sensory areas of cortex,
VPM & VPL= somatosensory info to the cortex
VPL only = vestibular info to cortex

Question 6

pulvinar nucleus

Answer 6

relays among cortical association cortices, areas 5,7,18,19

Question 7

LGN (lateral geniculate nucleus)

Answer 7

visual info to primary vision cortex (area 17) of occ. lobe

Question 8

MGN (medial geniculate nucleus)

Answer 8

auditory info to primary auditory cotex (area 41) of temporal lobe

Question 9

intralaminar, contromedian and midline nuclei

Answer 9

relay arousal info from reticular system to all over areas of the brain

Question 10

areas of the internal capsule

Answer 10

anterior= affect
genu= motor (from cortex and internal motor system with BG and cerebellum)
posterior= motor (from sensory cotex) and sensory

Question 11

what is the result of an infarct in the VPL

Answer 11

thalamic pain syndrome

Question 12

S&S of thalamic pain syndrome

Answer 12

spontaneous burning pain and other dysethesia

can be a response to normal pain stim. or spontaneous

Question 13

how do u treat thalamic pain syndrome

Answer 13

meds: narcotic analgesics, antidepressants, antiseizure meds