Basal Ganglia

Question 1

function of basal ganglia

Answer 1

inhibit involuntary movements at rest

facilitate voluntary movements

Question 2

chorea

Answer 2

random jerky movements

Question 3

What are the 5 nuclei that make up the basal ganglia

Answer 3

caudate nucleus
putamen
globus pallidus
subthalamic nucleus
substantsia nigra

Question 4

what makes up the corpus striatum

Answer 4

caduate nucleus, lentiform nucleus

Question 5

what makes u pthe lentiform nucleus

Answer 5

putamen

globus pallidus

Question 6

what are the major inputs to the straitium

Answer 6

corticostriate
thalamostriate
nigrostriate

Question 7

what are the major output from the striatum

Answer 7

striatopallidal

striatonigral

Question 8

what are the major inputs to the pallidum

Answer 8

striatopallidal

subthalamic fasciculus

Question 9

what are the major outputs from the pallidum

Answer 9

pallidothalamic

pallidosubthalamic

Question 10

thalamic fasciculus is made of

Answer 10

lenticular fasciculus

ansa lenticularis

Question 11

what is the motor loop tha tyou need to remember

Answer 11

cortex
striatum
pallidum
thalams

Question 12

what are the 4 circuits in the basal ganglia used to relay motor information

Answer 12

motor
association
oculomotor
limbic

Question 13

function of association loop

Answer 13

planning and decisiion making

Question 14

what is the main feedback for the association loop

Answer 14

prefrontal cortex

Question 15

what information does the premotor cortex provide to the associoation loop

Answer 15

orientation

Question 16

what information does the posterior parietal cortex provide to the association loop

Answer 16

visual guidance

Question 17

what part of the striatum is involved in the association loop

Answer 17

caudate nucleus (Head)

Question 18

what input is the oculomotor loop getting

Answer 18

prefrontal cortex
posterior parietal cortex
superior colliculus

Question 19

what informatino does the superior colliculus provide to the oculomotor loop

Answer 19

visual reflexes

Question 20

what part of the striatum is inovled in the oculomotor loop

Answer 20

caudate nucleus (body)

Question 21

what parts of the striatum are involved in the limbic loop

Answer 21

ventral straitium (nucleus accumbens)
caudate nucleus (head)

Question 22

what is the input for the limbic loop

Answer 22

medial and lateral temporal lobe
hippocampus
amygdala
entohinal area

Question 23

what information does the entohinal area provide to the limbic loop

Answer 23

olfactory

Question 24

where is nucleus accumbens found

Answer 24

junction of caudate and putamen

Question 25

pallidum is

Answer 25

inhibitory

Question 26

thalamus is

Answer 26

excitatory

Question 27

what is the direct pathway

Answer 27

between striatum and substantia

Question 28

is the direct pathway inhibitory or exhitory

Answer 28

excitatory

Question 29

what is the indirect pathways

Answer 29

connection between pallidum and subthalamus

Question 30

is the indirect pathway inhibitory or exhittory

Answer 30

inhibitory

Question 31

inhibition of the basal ganglia leads to

Answer 31

hypokinesia

Question 32

facilittion of the basal ganglia leads to

Answer 32

hyperkinesia

Question 33

if you get a lesion in the basal ganglia what happens

Answer 33

no paralysis

Question 34

what is the input gate to basal ganglia

Answer 34

striatum

Question 35

what is the output gate from basal ganlia

Answer 35

pallidum