Basal Ganglia

Question 1

Where is the motor nucleus of V and which muscles does it supply?

Answer 1

Open medulla

Muscles of mastication

Question 2

Where is the Edinger-Westphal nucleus and what is its role?

Answer 2

Upper midbrain

Controls autonomic actions of oculomotor nerve - e.g. pupillary constriction, lens accomodation

Question 3

What is the role of the amygdala?

Answer 3

Emotional responses

Question 4

What is the role of the hyperdirect pathway?

Answer 4

Suppresses current movements

Question 5

What is the role of the direct pathway?

Answer 5

Facilitates appropriate motor activity pattern to achieve goal

Question 6

What is the role of the indirect pathway?

Answer 6

Prevents movement

Question 7

What is the role of the posterior limb of the interior capsule?

Answer 7

Motor fibres for contralateral side

Question 8

Which area do striate arteries from the middle cerebral artery supply?

Answer 8

Posterior limb of the interior capsule