Neuro tracts

Question 1

Medial corticospinal

Answer 1

controls neck shoulder and arm mm’s

Question 2

medial reticulospinal

Answer 2

postural mm, limb extensors, APAs

Question 3

medial vestibulospinal

Answer 3

neck and upper back extensors

Question 4

lateral vestibulospinal

Answer 4

ipsilaterally facilitates LMN extensors and inhbitis the flexors

Question 5

lateral corticospinal

Answer 5

contralateral fractionation of hand

Question 6

rubrospinal

Answer 6

contralateral UE flexors

Question 7

lateral reticulospinal

Answer 7

faciliates flexors, inhibits extensors

Question 8

spinocerebellum is made up of what 2 structure

Answer 8

the spinocerebellum is made up of the vermis and paravermis

Question 9

spinocerebellum what ataxia

Answer 9

gait and limb ataxia

Question 10

function of spinocerebellum

Answer 10

infulucences gait and limb movement

Question 11

vestibulocerebellum:

Answer 11

outputs from cerebellum go to vestibular nuceli to infucence eyes and postural control

Question 12

cerebrocerebellum

Answer 12

ataxia, cognition issues, distal hand function, visually guided movements, reaching, motor planning

Question 13

why are cereellar lesions ipsilateral?`

Answer 13

ipsilateral because there is a double cross

Question 14

pure cerebellar ataxia: what 3 thigns are intact

Answer 14

1) DTRs at ankle
2) vibration
3) proprioception

Question 15

Romberg for cerebellar vs sensory ataxia

Answer 15

Cerebellar: look bad with EO and EC. use vision to subsititute for poor sensory input.
sensory ataxia: can stand with eyes open but not eyes closed

Question 16

what is muscle strength like in cerebellar ataxia?

Answer 16

mm strength is normal

Question 17

primary motor cortex function

Answer 17

voluntarily controlled mvmts

Question 18

premotor area does what

Answer 18

planning of visually guided mvmt

Question 19

SMA

Answer 19

planning internally motivated mvmts (I want to get up out of this chair)

Question 20

normal pressure hydrocephalus can cause a triad of what 3 things

Answer 20

1) cognitive changes
2) bladder changes
3) gait disturabances
rapid onset of all 3

Question 21

ACC (anterior cingulate gyrus) - lower activity in this area has been associated with what condition

Answer 21

major depressive disorder

Question 22

amygdala!

Answer 22

emotional processing