Neuroscience - Exam 3 - Lecture 4

Front 1

What is the function of cerebellum?

Back 1

Learning, and to correct errors (controllin movement)

Front 2

Where is the cerebellum located?

Back 2

above 4th ventricle

Front 3

What is the outer grey matter of the cerebellum called?

Back 3

cerebral cortex

Front 4

What are the lobes of the cerebellum?

Back 4

anterior, posterior and flocco-nodular

Front 5

what is the deep grey matter of the cerebellum called?

Back 5

deep cerebellar nuclei

Front 6

What is the cerebrocerebellum invoved in?

Back 6

Skilled movements

Front 7

what is the spinocerebellum involved in?

Back 7

distal/axial movements

Front 8

What is the vestibulecerebellum involved in?

Back 8

posture/balance VOR

Front 9

What are the 3 deep cerebellar nuclei?

Back 9

Dentate, interposed, fastigial

Front 10

Of the deep cerebellar nuclei, which projects to premotor cortex?

Back 10

dentate

Front 11

Of the deep cerebellar nuclei, which projects to motor cortex and brainstem?

Back 11

fastigieal and interposed

Front 12

What does the SUPERIOR peduncle carry?

Back 12

EFFERENT fibers of cerebrocerebellum tract

Front 13

What does the MIDDLE CEREBELALAR PEDUNCEL carry?

Back 13

relay information FROM cortex, from the PONTINE nuclei

Front 14

What does the INFERIOR cerebellar peduncle carry?

Back 14

AFF and EFFs to/fro spinal cord

Vestibular nuclei

Inf olive

Front 15

what are the 2 inputs to the cerebellum?

Back 15

mossy fibers and climbing fibers

Front 16

where do mossy fibers come from?

Back 16

pontine, vestibular and spinal cord nuclei

Front 17

where do climbing fibers come from?

Back 17

inf olive

Front 18

What 2 relay systems is the pontine nuclei involved in to the cerebellum?

Back 18

skilled feedback: deep cerebellar nuclei --> thalamus-->cortex-->pontine-->deep cer nuclei

AND
Primary/premotor cortices to pontine to deep cerebellar

Front 19

Outputs of the cerebrocerebellum go to what deep nucleus?

Back 19

dentate

Front 20

Outputs of spinocerebellum go through what nucleus?

Back 20

fastigial

Front 21

Outputs of vestibulocerebellum go trhough what nucleus?

Back 21

vestibular (NOT DEEP)

Front 22

What is the output cell of the cerebellum? where doe sit go?

Back 22

purkinje - deep cerebellar nuclei

Front 23

The 2 descending pathways of the cerebellum pass through what nuclei?

Back 23

vestibular OR deep cerebellar

Front 24

After passing through the 1st nucleus of the descending pathway, where do all 3 pathways meet?

Back 24

medial ventral horn's lowor motor neurons

Front 25

For descending pathway, deep cerebellar nuclei projections pass through what 2 things?

Back 25

superior colliculius, being the tactospinal tract OR
Reticular formation - reticulospiunal tract

Front 26

How does a cereballar legion affect:
1 - VOR?
2 - H-Reflex?
3 - Bite force?

Back 26

1 - lost ability to adapt
2 - no ability to operantly-contidion the h-reflex
3 - unable to maintain a steady one

Front 27

Describe someon ewith a lesion of vestibulcerebellum?

Back 27

unable to stand straigh/keep a straight gaze

Front 28

Describe someon ewith a lesion of spinocerebellum?

Back 28

difficulty walking, and dysmetria

Front 29

what is dysmetria?

Back 29

trouble maintaining freq of a repeated movement

Front 30

Describe someon ewith a lesion of cerbrocerebellum?

Back 30

can't do skilld/learned movments SPEECH