Neuro Section 5- Part 2 Flashcards

1
Q

What function in:
Timing and coordination of movement,
Adjusting and modulating the output of the motor cortices, corticospinal tract, brain stem motor pathways and spinal cord

A

Cerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What doe the input axons produce for the cerebellum?

A

Mossy and climbing fibers (EPSP)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What type of neurons are Purkinje cells?

A

GABAergic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What type of PSP do Purkinje cells induce?

A

Inhibitory PSP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What type of receptor is GABA?

A

Ionotropic

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What type of channel is the GABA receptor?

A

CI- channel

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is synthesized from glutamate by the enzyme glutamic acid decarboxylase?

A

GABA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What do high affinity transporters do with GAB once they terminate it?

A

Return it to the synaptic terminals for reuse

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Where are the regions of the cerebral cortex that project to the cerebellum mainly form?

A

Sensory and Motor association cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Where is the sensory association cortex located in the cerebellum?

A

Parietal lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Where is the motor association cortex located in the cerebellum?

A

Frontal lobe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What part of the cerebellum goes to descending brainstem and corticospinal pathways?

A

Spinocerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What part of the cerebellum goes to vestibular nuclei?

A

Vestibulocerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What part of the cerebellum functions is proper execution of coordinated movement?

A

Spinocerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What part of the cerebellum functions is coordinated balance and eye movement?

A

Vestibulocerebellum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What part of the cerebellum functions is planning coordinated movement sequences?

A

Cerebrocerebellum

17
Q

What does the cerebellum help reset?

A

VOR (vestibulo ocular reflex)

18
Q

What is inappropriate measure of muscular contraction?

A

Dysmetria

19
Q

What is a failure of the components of a complex, multiple joint movement to occur in a coordinated fashion?

A

Asynergia

20
Q

What is an oscillating movement disorder that worsens when the animal is moving?

A

Intention tremor

21
Q

What is a ataxia, wide-based gait, dysmetria, asynergia, intention tremor, and nystagmus clinical signs of?

A

Cerebellar disease