Cerebellum

Question 1

tf Cerebellum give rise to descending motor pathways.

Answer 1

Cerebellum does not give rise to descending motor pathways. Ø

Question 2

tf Damage to the cerebellum or its pathways DOES cause paralysis

Answer 2

Damage to the cerebellum or its pathways DOES NOT cause paralysis

Question 3

Input to cerebellum is

Answer 3

sensory

Question 4

Output of cerebllum

Answer 4

travels to motor structures

Question 5

rate, range, direction or accuracy of motor movements.

Answer 5

is disturbed by damage to the cerebellum

Question 6

cerebellum

Answer 6

modulates motor output

Question 7

in addition to motor output cerebllum

Answer 7

modulates complex behavioral and cognitive functions

Question 8

receives and processes vestibular information

Answer 8

flocculonodular lobe

Question 9

nodulus is

Answer 9

medial flocculonodular

Question 10

flocculus is

Answer 10

flocculus is lateral part of flocculonodular lobe

Question 11

tf flocculonodular lobe is post to post lobe

Answer 11

f

ant to it

Question 12

posterior lateral fissure

Answer 12

sep flocculonodular lobe and posterior lobe

Question 13

Lateral Hemisphere

Answer 13

forms the bulk of the cerebellum

Question 14

Paravermis:

Answer 14

Paravermis: R and L zones adjacent to the vermis

Question 15

highly convoluted, forming the cerebellar folia

Answer 15

cerebellum

Question 16

Molecular layer

Answer 16

contains local circuit neurons and abundant axons and dendrites.

Question 17

.Purkinje cell layer (middle layer):

Answer 17

formed by a single layer of large neurons called Purkinje cells(PCs)

Question 18

Granular layer (deep layer):

Answer 18

composed mainly of small granule cells, but also contains other cell types.

Question 19

t The white matter core of the cerebellum is t

Answer 19

he location of the deep white matter cerebellar nuclei (DCN).

Question 20

Buried within the white matter of the cerebellum

Answer 20

deep cerebellar nuclei (DCN)

Question 21

most medial of deep cerebellar nuclei (DCN)

receives projections from vermis

Answer 21

Fastigial nucleus •

Question 22

lateral to fastigial n.

receives projections from paravermis

Answer 22

Globose nucleus

Question 23

Emboliform nucleus

Answer 23

lateral to globose n

receives projections from paravermis

Question 24

Dentate nucleus

Answer 24

• most lateral •

receives projections from lateral hemisphere

Question 25

tf body parts are epresented continuously in the cerebllar cortex

Answer 25

body parts are not represented continuouslyin the cerebllar cortex

Question 26

fractured somatotopy

Answer 26

body part is represented in several locations on cerebellar cortexx

Question 27

trunk is represented in

Answer 27

the midline region (vermis) of cereblar cortex

Question 28

Label wat is missing on cerebllar cortex

Answer 28

Question 29

Answer 29

Question 30

Inferior Cerebellar Peduncle

Answer 30

afferents to cerebellum from spinal cord & medulla.

Question 31

Middle Cerebellar Peduncle

Answer 31

o Mainly afferents to cerebellum from pontine nuclei

Question 32

Superior Cerebellar Peduncle

Answer 32

Mainly efferents from the cerebellum.

Question 33

The cerebellum is attached to the brainstem by – pairs of —– bundles comprised of — and —- axons —– the cerebellum

Answer 33

The cerebellum is attached to the brainstem by 3 pairs of fiber bundles comprised of afferent and efferent axons to/from the cerebellum

Question 35

Answer 35

Question 36

Answer 36

Question 37

(1.) cerebellar cortical region (2.) cerebellar nucleus/nuclei

Answer 37

Functional systems associated with the cerebellum

Question 38

These regions are involved in processing vestibular information

Answer 38

Vestibulocerebellum

Question 39

These regions are involved in processing cerebral cortical inputs

Answer 39

Cerebrocerebellum

Question 40

These regions are involved in processing proprioceptive inputs

Answer 40

Spinocerebellum

Question 41

lateral hemisphere and dentate nucleus

Answer 41

Cerebrocerebellum

Question 42

flocculonodular lobe,

fastigial nucleus

vermis

Answer 42

Vestibulocerebellum

Question 43

vermis, paravermis

globose and emboliform nuclei

Answer 43

Spinocerebellum

Question 44

maintaining equilibrium, posture and head position

Answer 44

Vestibulocerebellar System

Question 45

uses vestibulospinal tracts

Answer 45

Vestibulocerebellar System

Question 46

primary vestibular afferents and axons of 2nd order neurons from the vestibular nucleus.

Answer 46

FN lobe and vermis

Question 47

Purkinje cells in the FN lobe mainly project

Answer 47

directly to the vestibular nuclei

Question 48

vermis project to the

Answer 48

fastigial nucleus (most) which serves as a relay to the vestibular nucleus.

Vestibulocerebellar System

Question 49

primary vestibular afferents and axons of 2nd order neurons from the vestibular nucleus.

Answer 49

go thru Inferior cerebellar peduncle

Question 50

Vestibulocerebellar System Assists in coordinating eye movements with head movements via

Answer 50

connections with the motor nuclei of CN-III, -IV and -VI

Question 51

coordinating eye movements with head movements

of Vestibulocerebellar System

Answer 51

Vestibular apparatus (position of head in space) –>

vestibular nucleus –> cerebellum à vestibular nucleus

–> CN III, IV, VI via medial longitudinal fasiculus (MLF)