Neuroanatomy - Basal Ganglia

Question 1

basal ganglia are a part of a basic ——— circuit

Answer 1

feedback

Question 2

the basal ganglia feed information back to the?

Answer 2

cortex

Question 3

the basal ganglia feeds information back to the cortex via?

Answer 3

thalamus

Question 4

what is the function of the basal ganglia?

Answer 4

modulate and refine cortical activity

Question 5

what pathways are the basal ganglia controlling?

Answer 5

descending motor pathways

Question 6

the anatomy of the basal ganglia is spread throughout the?

Answer 6

forebrain

Question 7

the components of the basal ganglia can be divided into? (3)

Answer 7

input nuclei, output nuclei and intrinsic nuclei

Question 8

which nuclei acts as the relay between input and output nuclei?

Answer 8

intrinsic nuclei

Question 9

what are the input nuclei? (2)

Answer 9

caudate nucleus and putamen (neostriatum)

Question 10

what forms the neostriatum?

Answer 10

caudate nucleus and putamen

Question 11

where does the caudate nucleus and putamen join?

Answer 11

rostral aspect of the neostriatum

Question 12

what is the name of the area where the caudate nucleus and putamen join?

Answer 12

nucleus accumbens

Question 13

the nucleus accumbens is part of a separate domain named?

Answer 13

ventral striatum

Question 14

what are the components of the intrinsic. nuclei? (3)

Answer 14

external globus pallidus
sub thalamic nucleus
pars compact of the substantial nigra

Question 15

the globus pallidus is divided into?

Answer 15

external and internal domains

Question 16

the external and internal domains of the globus pallidus are functionally

Answer 16

different

Question 17

the sub thalamic nucleus lies in the?

Answer 17

diencephalon

Question 18

in the mesencephalon the substantial nigra is divided into two parts?

Answer 18

the pars compact and the pars reticularis

Question 19

what are the output nuclei?(2)

Answer 19

internal globus pallidus and pars reticulata of the substantial nigra

Question 20

the caudate nucleus forms the —– wall of the ——– ventricle

Answer 20

lateral

lateral

Question 21

the caudate nucleus follows the —— expansion during development?

Answer 21

telencephalic

Question 22

when the caudate nucleus is fully developed it has a characteristic ventricular — shape?

Answer 22

C

Question 23

caudate nucleus can be identified as the collection of —– matter on the wall of the lateral ventricles

Answer 23

gray

Question 24

the caudate nucleus is separated from the putamen by —————— known as the internal capsule

Answer 24

descending white matter fibers