Lecture 10

Question 1

5 nuclei of BG…go!

Answer 1

Telencephalon

1. caudate
2. putamen
3. GPe/GPi

Diencephalon
4. subthalamnic nucelus

Midbrain
5. substania nigra

Question 2

output of cerebellum…excitatory or inhibitory?

Answer 2

excitatory

Question 3

output of BG…excitatory or inhibitory?

Answer 3

inhibitory

Question 4

striatum =

Answer 4

caudate + putamen

Question 5

what NT in what nucleus in responsible for parkinson

Answer 5

dopamine

substania niga pars compacta

Question 6

GPe is major (a) for (b)

and inhibitory for (c)

Answer 6

a) input
b) subthalamic nucleus
c) subthalamic nucleus

Question 7

GPi is major (a) for (b)
and in (c) for cortex and thalamus

Answer 7

a) output
b) BG
c) inhibitory for cortex and thalamus

Question 8

what modulates output of striatum

Answer 8

substania nigra

Question 9

what modulates output of GPe/GPi

Answer 9

subthalamic nucleus

Question 10

direct pathway of BG Fn

Answer 10

activate thalamus + initiate movement

Question 11

indirect pathway of BG Fn

Answer 11

inhibit movements

Question 12

draw pathways of BG

Answer 12

-

Question 13

FN of flocconodular lobe

Answer 13

receiving input from vestibular system so, maintenance of balance

Question 14

FN of ant lobe

Answer 14

control limb movments while movements are being exectued

Question 15

FN of post lobe

Answer 15

learn skilled movements and stores that information

Question 16

flocconodular lobe AKA?

Answer 16

vestibulocerebellum

Question 17

ant lobe AKA

Answer 17

spinocerebellar

Question 18

post lobe AKA

Answer 18

cerebrocerebellar

Question 19

output nuclei fo flocconodular lobe

Answer 19

fastigial nucleus

Question 20

output nuclei of ant lobe

Answer 20

interposed ( globose + emboliform)

Question 21

output nuclei of post lobe

Answer 21

dentate nucleus

Question 22

3 loops in BG

Answer 22

motor loop
limbic loop
executive loop

Question 23

Fn of motor loop

Answer 23

selection + initiation of movement

Question 24

fn of limbic loop

Answer 24

regulation of cognitive processes i.e. attention

Question 25

fn of executive loop

Answer 25

regulation of emotion

Question 26

what tracts used for lower limbs in ant lobe

Answer 26

dorsal and ventral spinocerbellar

Question 27

what tracts used for upper limbs in ant lobe

Answer 27

cuneocerebellar and rostral spinocerebellar

Question 28

what tracts are used for feedback for exectution movements

Answer 28

DSCT | cuneocerebellar

Question 29

what tracts used for intention of movements

Answer 29

VSCT | RSCT

Question 30

which nuclei does anterior lobe (spinocerebellar tract) use? project to?

Answer 30

interpose nuclei | project to: red nucleus + RST

Question 31

mossy fibers have axons from

Answer 31

pontine nuclei spinocerebellar vestibulo-cerebellar

Question 32

mossy fibers are excitatory to (a) cells | using (b) NT

Answer 32

(a) granule | (b) glutamate

Question 33

climbing fibers are excitatory to (a) cells using (b) NT

Answer 33

(a) pukinje | (b) aspartate

Question 34

climbing fibers get info from

Answer 34

inferior olive

Question 35

intended movement uses whihc cerebellar input

Answer 35

cortico-ponto

Question 36

actual movement uses which cerebellar input

Answer 36

cuneo dorsal vestibular

Question 37

mesocortical- cognitive fn or emotional?

Answer 37

cognitive

Question 38

mesolimbic- cognitive fn or emotional?

Answer 38

emotional