Cerebellum/movement

Question 1

functional subdivisions of cerebellum?

Answer 1

Vermis medially (trunk somatotopy), paravermal zone of hemisphere
Lateral Hemispheres

Question 2

Where does the Vermal cortex in the middle of the cerebellum project to?

Answer 2

Fastigial Nucleus

Question 3

Where does the paravermal cortex next to the vermis project to?

Answer 3

Interposed nuclei (emboliform and globose nuclei)

Question 4

The Lateral zone of the cerebellum projects to

Answer 4

the dentate nucleus

Question 5

Input of the cerebellar cortex

Answer 5

Middle cerebellar peduncle (Contralateral cortex)

Climbing and mossy fibers in from the spinal cord relaying ipsilateral proprioceptive information via inferior cerebellar peduncle

Question 6

Output nerve relaying course starting at the purkinje cells

Answer 6

Purkinje cells–>deep nuclei–>contralateral cortex via superior cerbellar peduncle

Question 7

granule is ________ because it releases glutamate. It acts on what 4 cells

Answer 7

Excitatory of Purkinje cells
Basket
Stellate
Golgi Cells

Question 8

Granule cells are _____by golgi cells

Answer 8

Granule cells are inhibited by Golgi Cells

Excited by Mossy fibers

Question 9

mossy fibers are excitatory afferents from the

Answer 9

spinocerebellar and pontocerebellar tracts

Question 10

climbing fibers are the afferent excitatory fibers of the

Answer 10

olivocerebellar tract