Week 3

Question 1

What does extrapyramidal mean?

Answer 1

Motor nerves descending from the cortex to the spine that are not part of the pyramidal system

Question 2

Name the 5 nuclei associated with the thalamus and internal capsule

Answer 2

Caudate 
Putamen
Globes Pallidus 
Substantial Nigra
Subthalamic nucleus

Question 3

Caudate ety

Answer 3

Having a tail

Question 4

Putamen ety

Answer 4

Nutshell

Question 5

Globus pallidus ety

Answer 5

Pale globe

Question 6

How many sections is the globus pallidus split into ? Name them

Answer 6

2

Internal
External

Question 7

What does substantia nigra contain?

Answer 7

Dopamine

Question 8

What is the role of the subthalamic nucleus?

Answer 8

Modulates basal ganglia output.

Receives afferent info from brain and communicates with the Globus pallidus

Question 9

Basal ganglia associated with the striatum

Answer 9

Caudate
Nucleus Accumbens
Putamen

Question 10

Components of Lenticular Nucleus

Answer 10

Globus pallidus (internal and external)
Putamen

Question 11

How many sections are there to the substantia nigra ?

Name them

Answer 11

2

Compact part
Reticular part

Question 12

Nucleus Accumbens function

Answer 12

Part of the ‘reward system’

Receives dopamine