lecture 5/6

Question 1

most anterior part of cerebellum vermis

Answer 1

nodule

Question 2

function cerebellum

Answer 2

receives proprioception
coordinates balance
eye hand coordination
predicts consequences of movement

Question 3

T/F cerebellum is coordinator and predictor of corticol output

Answer 3

true

Question 4

T/F cerebellum not needed for skilled manipulation of mm

Answer 4

false, its critical

Question 5

T/F cerebellum used for skilled manipulation of mental concepts

Answer 5

t

Question 6

cerebellum mutism

Answer 6

not able to speak, can’t predict

Question 7

information the cerebellum gets

Answer 7

cortical
proprioception
vestibular

Question 8

vestibular information

Answer 8

project to paravermis / flocculonodular lobe
position head/ body in space
orient eye movements during locomotion

Question 9

proprioceptive information

Answer 9

ia, II fibres from mm to
Ib from golgi tendon organs

from clarkes column

terminate in anterior lobe /vermis

Question 10

anterior lobe associated w

Answer 10

limbs

Question 11

vermis associated w

Answer 11

limb

Question 12

cortical information

Answer 12

cortex projects to continue nuclei

fine motor UE, hand dexterity / eye coordination

Question 13

olivocerebellar fibers

Answer 13

afferents from olive project to entire cerebellum cortex

climbing fibres

Question 14

outflow from cerebellum

Answer 14

via deep cerebellar nuclei
dentatorubrothalmic tract
to vestibular nuclei / olives

Question 15

dentatorubrothalmic tract

Answer 15

from dentate to red to thalamus to cortex

Question 16

archicerebellum =

Answer 16

vestibulocerebellum

Question 17

paleocerebellum =

Answer 17

spinocerebellum

Question 18

neocerebellum =

Answer 18

cerebrocerebllum

Question 19

vestibulocerebellum

Answer 19

flocculonodular lobe and paravermis

feedback to vestibular nuclei / SC

trunk control

Question 20

spinocerebellum

Answer 20

vermis and anterior lobe

feedback to cortex/ SC

extremities

Question 21

cerebrocerebllum

Answer 21

posterior lobe

topographical of extremity
eye movement
speech
coordination of movement

Question 22

cerebellar loops

Answer 22

vestibulocerebllear
spinocerebellar
cerebrocerebllar

Question 23

what do cerebellar loops allow

Answer 23

coordinated balance smooth movement

anticipation of movement

predictions that feedback to the loop

Question 24

what fine tunes ongoing movements

Answer 24

spinocerebllar loop

Question 25

information from __ to pontine uncle cross over to

Answer 25

cortex | contralateral cerebellum

Question 26

red nucleus

Answer 26

relay nucleus

Question 27

T/F olives project to all of the cerebellum

Answer 27

true

Question 28

what calculates feed forward loops

Answer 28

olives

Question 29

what does automation of cortical output

Answer 29

spinocerebellar loop

Question 30

midline cerebellar disease

Answer 30

gait difficulty imbalance abnormal head posture oculomotor dysfunction

Question 31

lesion to flocculonodular node

Answer 31

truncal ataxia | nystagmus

Question 32

lateral cerebellar disease

Answer 32

posterior lobe function ``` cerebellum mutism eye / speech movement coordinate movements dysmetria dysdiokinesiea ```

Question 33

dysmetria

Answer 33

over n under shoot

Question 34

dysdiokinesiea

Answer 34

rapid agonist antagonist movements

Question 35

lesions to anterior lobe

Answer 35

affects spinocerebllear input | gait ataxia

Question 36

ethanol is toxic to what

Answer 36

purkinje cells

Question 37

ethanol effects which lobe

Answer 37

anterior

Question 38

is ethanol and gait ataxia reversible

Answer 38

usually

Question 39

when is ethanol gait ataxia not reversible

Answer 39

chronic alcoholic

Question 40

T/F cerebellum related to emotion / cognition

Answer 40

yes

Question 41

cerebellum emotion / intellectual processing

Answer 41

judge facial expression language (grammar adjustments) neuropsychiatric manifestions

Question 42

neuropsychiatric manifestions

Answer 42

exaggerated or diminution of repose to environment in automatic processing of emotions

Question 43

T/F cerebellum effects communciton with non motor cognitive association areas

Answer 43

yes

Question 44

interaction between cerebellum / cognitive cortical networks

Answer 44

interaction with cerebral executive control | interaction with default mode network

Question 45

function basal ganglia

Answer 45

modulate voluntary motor activity

Question 46

three circuits in basal ganglia

Answer 46

motor associative limbic

Question 47

motor circuit

Answer 47

controls body and eye movements direct/indirect pathway

Question 48

associative circuit

Answer 48

higher level cognitive function (planning)

Question 49

limbic circuit

Answer 49

emotional / motivational processing

Question 50

activity in basal ganglia encodes for

Answer 50

decision to move direction/ amplitude of movement motor expression of emotion efficiency of movement (procedure)

Question 51

T/F thamalus under acute inhibition when we are not moving

Answer 51

false chronic

Question 52

release inhibtion model components

Answer 52

direct and indirect pathway

Question 53

direct pathway

Answer 53

release tonic inhibition of thalamus | leads to more execution of motor cortex

Question 54

indirect pathway

Answer 54

inhibit output from thalamus | less execution of motor cortex

Question 55

input to

Answer 55

caudate and putamens

Question 56

output from

Answer 56

globus pallidus

Question 57

what pathway facilities target orientated movements

Answer 57

direct

Question 58

which pathway impacts potentially competing movements

Answer 58

indirect pathways

Question 59

T/f direct and indirect pathways are simultaneous

Answer 59

true

Question 60

T/F direct and indirect pathways do not provide fine balance for cortical output

Answer 60

false, they do

Question 61

diseases related to lesions in basal ganglia

Answer 61

parkinsons ballism huntingtons tourettes, OCD

Question 62

parskinsons

Answer 62

inhibition of motor output weaker direct pathway decrease in movement and facial expression

Question 63

ballism / huntingtons disease

Answer 63

excessive motor output

Question 64

T/f basal ganglia related to nearo disorders

Answer 64

yea Tourettes and OCD

Question 65

ballism

Answer 65

sudden uncontrolled flinging of movements of extremities

Question 66

underlying cause of ballism

Answer 66

stroke of contralateral subthalmic nucleus

Question 67

hemi ballism

Answer 67

loss indirect pathway more involuntary motor output can't suppress the extra movements

Question 68

huntingtons

Answer 68

degeneration of striatum hyperkinetic movement disorder direct n indirect pathway effected

Question 69

parts of striatum

Answer 69

caudate and putamen

Question 70

damage to striatum effects

Answer 70

direct n indirect pathway

Question 71

hypokinesia akinesia and hypminmia loss or decrease associated with what disease

Answer 71

parkinson

Question 72

parsons does what to inhibition

Answer 72

inhibits it less (so more left over) | excited the inhibition (adding even more)

Question 73

t/f damage to substance nigra related to Parkinson's

Answer 73

yes

Question 74

how do basal ganglia interact w rest of brain

Answer 74

the three circuits

Question 75

mask face or rich in dopaminergic neutrons what circuit

Answer 75

limbic

Question 76

are all basal ganglia circuits working seperate or at once

Answer 76

at once