Cerebellum

Question 1

Folia

Answer 1

~gyri

Question 2

Speech, posture, stance, gait, visceral function

Answer 2

vermis

Question 3

Reaching, grasping

Answer 3

paravermis

Question 4

What are the general functions of the vermis?

Answer 4

midline movements

Question 5

What are the general functions of the paravermis?

Answer 5

appendicular movements

Question 6

What are the general functions of the lateral hemispheres?

Answer 6

spacially and temporally complex movements

Question 7

Basic pathways

Answer 7

granule cell –> Purkinje cell –> deep cerebellar nuclei

Question 8

What is the action of Purkinje cells?

Answer 8

Inhibit deep cerebellar nuclei

Question 9

Onto which neurons do mossy fibers synapse?

Answer 9

Deep cerebellar nuclei (excitatory)
Granule cells (excitatory)

Question 10

Onto which neurons do climbing fibers synapse?

Answer 10

Deep cerebellar nuclei (excitatory)

Purkinje cells

Question 11

Onto which neurons do granule cells synapse?

Answer 11

Purkinje cells

Question 12

Which cells are involved in modulating the activity of deep cerebellar activity?

Answer 12

Purkinje
Mossy
Granule
Climbing

Question 13

From which cells do parallel fibers originate?

Answer 13

Granule cells

Question 14

Which cell is the primary output of the cerebellum?

Answer 14

Deep cerebellar nuclei

Question 15

Mossy fibers/granule cell ratio

Answer 15

Many/1

Question 16

From where do mossy fibers originate?

Answer 16

Basically everywhere

Question 17

Superior cerebellar peduncle

Answer 17

Primarily output

Question 18

Which tract enters the cerebellum at the inferior cerebellar peduncle?

Answer 18

Dorsal and rostral spinocerebellar tracts

Cuneocerebellar tracts

Question 19

Climbing fibers input

Answer 19

Contralateral inferior olive

Question 20

Climbing fiber/Purkinje cell ratio

Answer 20

1/1