Cerebellum and basal ganglia

Question 1

What side of the body does the cerebellum control?

Answer 1

Ipsilateral

Question 2

What are the folds of the cerebellum called?

Answer 2

Folia

Question 3

What is the middle section of the cerebellum called?

Answer 3

Vermis

Question 4

What is the lateral and intermediate sections of the cerebellum called?

Answer 4

Lateral and intermediate zone of the hemisphere

Question 5

What is found on the inferior aspect fo the cerebellum?

Answer 5

Flocculonodular lobe

Question 6

From what nucleus does the flocculonodular lobe receive inputs?

Answer 6

Vestibular nucleus

Question 7

What type of fibres does the flocculonodular lobe receive from the vestibular nucleus?

Answer 7

Mossy fibres

Question 8

Name the deep cerebellar nuclei

Answer 8

Dentate, emboliform and globose = interposed, festigal nucleus

Question 9

Where is the dentate nucleus found?

Answer 9

Lateral zone of hemisphere

Question 10

Where is the interposed nucleus (emboliform and globose) found?

Answer 10

Intermediate zone of hemisphere

Question 11

Where is the festival nucleus found?

Answer 11

Vermis of cerebellum

Question 12

What makes up the interposed nucleus?

Answer 12

Emboliform and globose nucleus

Question 13

What is the deep cerebellar nucleus of the flocculonodular lobe?

Answer 13

Vestibular nucleus

Question 14

What pathway transmits motor parts of cerebral cortex to cerebellum?

Answer 14

Pontocerebellar pathway

Question 15

What pathway transmits proprioceptive input from the whole body via the inferior olive?

Answer 15

Olivocerebellar pathway

Question 16

What fibres transmits information from the inferior olive to the cerebellum?

Answer 16

Climbing fibres

Question 17

What fibres transmits all cerebellar afferents other than from the inferior olive?

Answer 17

Mossy fibres

Question 18

What makes up the vestibulocerebllum?

Answer 18

Flocculonodular lobe and vermis

Question 19

What is the function of the vestibulocerebullum?

Answer 19

Posture and balance from vestibular nucleus

Question 20

What makes up the spinocerebellum?

Answer 20

Vermis, fastigal nucleus, intermediate zone of hemisphere, globose and emboli form nuclei

Question 21

What is the function of the spinocerebellum?

Answer 21

Updates ongoing movement

Question 22

What provides input to the spinocerebellum?

Answer 22

Pontine nucleus, olivary nucleus

Question 23

What makes up the neocerebellum?

Answer 23

Lateral zone of hemisphere and dentate nucleus

Question 24

What is the function of the neocerebellum?

Answer 24

Initiation and planning of movement

Question 25

What provides the input to the neocerebellum?

Answer 25

Inferior olivary nucleus

Question 26

Where does information from he neocerebellum go?

Answer 26

Pre-motor cortex, supplementary motor cortex via the thalamus

Question 27

What cells to mossy fibres interact with in the cerebellum?

Answer 27

Granule cells

Question 28

What fibres do granule cells give rise to?

Answer 28

Parallel fibres

Question 29

What do the parallel fibres interact with?

Answer 29

Purkinje cells

Question 30

Is each parallel fibre unique to each Purkinje cell?

Answer 30

No

Question 31

Is each climbing fibre unique to each Purkinje cell?

Answer 31

Yes

Question 32

Where does the output of the purkinje cells go?

Answer 32

Deep cerebellar nucleus

Question 33

Are the deep cerebellar nuclei inhibitory or excretory?

Answer 33

Inhibitory

Question 34

If the information is from the hemisphere where will the deep cerebellar nuclei send its axons?

Answer 34

Thalamus

Question 35

If the information is from the vermis where will the deep cerebellar nuclei send its axons?

Answer 35

Red nucleus

Question 36

How does modification of ongoing movement occur?

Answer 36

Proprioceptive information from the inferior olive to the cerebellum (climbing fibres) to interposed nucleus (via purkinje cells) to red nucleus and down the rubrospinal tract

Question 37

How does planning and prediction of movement occur?

Answer 37

Basal ganglia sends information to cerebellum (mossy fibres). From purkinje cells to dentate nucleus to the thalamus to motor cortex (corticospinal tract)

Question 38

What fibres form the outputs of the olivary nuclei?

Answer 38

Climbing fibres

Question 39

What would a lesion in the vestibulocerebellum cause?

Answer 39

Staggering gate

Question 40

What would a lesion in the spinocerebellum cause?

Answer 40

Decomposition of movements

Question 41

What would a lesion in the portico-cerebellum cause?

Answer 41

Slow speech

Question 42

What are the nuclei of the basal ganglia?

Answer 42

Putamen, caudate, globus pallidus, substantia nigra, subthalamic

Question 43

What does the putamen circuit control?

Answer 43

Subconsious execution of learn patterns

Question 44

Where does the putamen receive input from?

Answer 44

Prefrontal cortex, supplementary motor cortex, somatosensory cortex

Question 45

What is the function of the caudate circuit?

Answer 45

Cognitive planning