Cerebellum

Question 1

What’s the name of the region that separate the cerebellar hemispheres?

Answer 1

vermis

Question 2

What are the 3 lobes of the cerebellum?

Answer 2

anterior,
flocculonodular,
posterior

Question 3

Which lobes of the cerebellum is the horizontal fissure located in?

Answer 3

anterior & posterior lobes

Question 4

Of the cerebellar peduncles, which peduncle(s) have mostly Efferent nerves?

Answer 4

superior cerebellar peduncle

Question 5

Of the cerebellar peduncles, which peduncle(s) have mostly Afferent nerves?

Answer 5

middle & inferior cerebellar peduncles

Question 6

Does the superior cerebellar peduncle have mostly efferent or afferent nerves?

Answer 6

mostly efferent

Question 7

Does the middle cerebellar peduncle have mostly efferent or afferent nerves?

Answer 7

mostly afferent

Question 8

Does the inferior cerebellar peduncle have mostly efferent or afferent nerves?

Answer 8

mostly afferent

Question 9

What are the functional subdivisions of the cerebellum? (slide 63)

Answer 9

1) Archicerebellum / vestibulocerebellum
2) Paleocerebellum / spinocerebellum
3) Neocerebellum / cerebrocerebellum

Question 10

In which lobe of the cerebellum is the Archicerebellum / vestibulocerebellum located?

Answer 10

Flocculonodular lobe

Question 11

What is the Archicerebellum / vestibulocerebellum linked with?

Answer 11

balance and interacting with the vestibular system

Question 12

What is the Flocculonodular lobe (cerebellum) linked with?

Answer 12

balance and interacting with the vestibular system

Question 13

In which lobe(s) of the cerebellum is the Paleocerebellum / spinocerebellum located?

Answer 13

anterior lobe and paramedian lobules

Question 14

What is the Paleocerebellum / spinocerebellum linked with?

Answer 14

posture and propulsive, stereotyped movements, such as walking

Question 15

What are the anterior lobe and paramedian lobules (cerebellum) linked with?

Answer 15

posture and propulsive, stereotyped movements, such as walking

Question 16

In which part of the cerebellum is the Neocerebellum / cerebrocerebellum located?

Answer 16

lateral hemispheres

Question 17

What is the Neocerebellum / cerebrocerebellum linked with?

Answer 17

coordination of fine movement

Question 18

What are the lateral hemispheres of the cerebellum linked with?

Answer 18

coordination of fine movement

Question 19

What are the 4 cerebellar nuclei?

Answer 19

fastigial nucleus,
globose nuclei,
emboliform nucleus,
dentate nucleus

Question 20

Cerebrocerebellum tract: after the thalamus, where does info go back to?

Answer 20

cortex

Question 21

Spinocerebellum tract: where do messages mainly come from?

Answer 21

spine

Question 22

Spinocerebellum tract: do messages go to the cortex at all?

Answer 22

no

Question 23

Archicerebellum/Vestibulocerebellum tract: what are the messages mainly linked with?

Answer 23

info about proprioception & balance etc, also info from spinal cord

Question 24

In the cerebellum, what kind of cells do cells synapse onto (which then synapse to elsewhere)?

Answer 24

purkinje cells

Question 25

In the cerebellum, are nuclei in the middle of the cerebellum or the cortex?

Answer 25

middle of cerebellum and not in cortex

Question 26

In the cerebellum, which fibers come exclusively from the inferior olivary nucleus (motor coordination and learning) and synapse on Purkinje cells directly?

Answer 26

climbing fibers

Question 27

In the cerebellum, which fibers are responsible for cerebellar inputs other than those from inferior olivary nucleus, and then synapse on granule cells?

Answer 27

mossy fibers