DECISION MAKING LECTURE

Question 1

What brain regions are part of the basal ganglia?

Answer 1

• Striatum
• Globus pallidus
• Substantia Nigra
• Subthalamic nucleus

Question 2

What are the three parts of the striatum?

Answer 2

• Caudate (lies medially)
• Putamen (lies laterally)
• Nucleus Accumbens (lies ventrally)

Looks like mr. krabs’ hands.

Question 3

What area processes (negative) feedback from the body and averse emotions?

Answer 3

Insula. (behind temporal lobe)

Question 4

What area processes conflict with group opinion? Also processing prediciton error?

Answer 4

Rostral cingulate cortext (I think is is the same as ACC).

Question 5

What area integrates costs and benefits and determines choice?

Answer 5

vmPFC.

Question 6

Which famous patients’ vmPFC was impaired? What were the consequences?

Answer 6

Phineas Gage. Personality changed, because he didn’t see long term consequences and lost his temper frequently. Also planning abilities were impaired.

Question 7

What brain region is best to use in neuroforecasting?

Answer 7

vmPFC as the activity measured there resembles a choice being made. Also, can predict relapse in addicts.

Question 8

What area codes for expected value?

Answer 8

Ventral striatum. Nucleus accumbens is part of the reward system.