Cerebellum

Question 1

Cerebellum function

Answer 1

Detects motor error between intended movement and actual movement
Modulates motor cortex commands based on feedback

Question 2

Effects of cerebellar damage

Answer 2

Instability
Voluntary movement errors
Nystagmus
Cerebellar ataxia

Question 3

Why is partial recovery possible after cerebellar damage

Answer 3

Neuronal plasticity

Question 4

3 functional divisions of cerebellum

Answer 4

Spinocerebellum
Cerebrocerebellum
Vestibulocerebellum

Question 5

Where do inputs and outputs of the cerebellum go from/to

Answer 5

Cerebellar peduncles

Question 6

Deep cerebellar nuclei

Answer 6

Fastigial nucleus
Interposed nuclei
Dentate nucleus

Question 7

Do the superior middle and inferior colliculi contain efferent or afferent fibres

Answer 7

Sup - efferent
Middle - afferent
Inf - afferent + efferent

Question 8

3 main parts of cerebellum

Answer 8

Cortex - cerebro spino vestibulo
Deep nuclei - dentate interposed fastigial
Peduncles - sup middle inf

Question 9

Cerebrocerebellum function

Answer 9

Plan and execute high skilled movements, temporal sequence, and speech

Question 10

Spinocerebellar functions

Answer 10

Coordination of locomotor and eye movements

Question 11

Vestibulocerebellum functions

Answer 11

Coordinate head eye and balance to maintain gaze stability

Question 12

Cerebellum anatomical lobes

Answer 12

Anterior
Posterior
Flocculonodular

Question 13

Blood supply to the cerebellum

Answer 13

Superior cerebellar arteries
Anterior inferior cerebellar arteries
Posterior inferior cerebellar arteries

Question 14

3 histological layers of the cerebellum

Answer 14

Molecular layer
Purkinje cell layer
Granule cell layer

Question 15

What NT is used by Purkinje cells

Answer 15

GABA

Question 16

What is the central section of the cerebellum called

Answer 16

Vermis

Question 17

Are move to deficits caused by cerebellar lesions ipsilateral or Contralateral

Answer 17

Ipsilateral

Question 18

Which tracts allow the Vestibulocerebellum to ensure stability of gaze

Answer 18

Balance head on body - medial vestibulospinal tract
Balance body on ground - lateral vestibulospinal tract

Question 19

Flocculonodular syndrome signs and symptoms

Answer 19

Little control of axial muscles
Ataxic gait
Falling to side of lesion
Nystagmus

Question 20

Injury to which part of the cerebellum causes Flocculonodular syndrome

Answer 20

Vestibulocerebellum

Question 21

Who is Flocculonodular syndrome most common in

Answer 21

Young children w medulloblastoma

Question 22

Anterior lobe syndrome is caused by damage to which part of the cerebellum

Answer 22

Spinocerebellum

Question 23

Anterior lobe syndrome signs

Answer 23

Ataxic gait
Hypotonia
Depressed or pendular reflexes

Question 24

Why can alcoholics get anterior lobe syndrome

Answer 24

Malnutrition
Vitamin b deficiency

Question 25

What causes neocerebellar syndrome

Answer 25

Neocerebellum/cerebrocerebellum damage

Question 26

Neocerebellar syndrome signs

Answer 26

Loss of hand eye coordination Dysmetria Dysdiadochokinesis Intention tremors Slurred speech Loss of cognitive eye movement Attention and perception deficits

Question 27

Cerebellar stroke signs and symptoms

Answer 27

Headache vertigo nausea vomiting Eye movement problems Dysarthria Dysphagia Ataxia Arm weakness and incoordination

Question 28

Ataxic gate

Answer 28

Wide based, reeling and swaying gait

Question 29

Which part of the cerebellum controls hand eye coordination, speech, and voluntary arm and hand movements

Answer 29

Cerebrocerebellum