Mesiolimbic and PFC

Question 1

3 regions of the mesiolimbic system?

Answer 1

1. ventral tegmental area
2. nucleus accumbens
3. prefrontal cortex

Question 2

delayed reward occurs in what structure?

Answer 2

prefrontal cortex

Question 3

immediate reward occurs in what structure?

Answer 3

mesiolimbic

Question 4

2 major outputs of the ventral tegmental tract?

to where and what do they do?

Answer 4

1. dopaminergic to nucleus accumbens = excitatory

2. gabbaergic (prefrontal cortex) = inhibatory

Question 5

the prefrontal cortex send signs to the __________ to disinhibit motion

Answer 5

caudate putamen

Question 6

what is another name for the nucleus accumbens?

Answer 6

ventral striatum

Question 7

where is the nucleus accumbens located?

Answer 7

head of the caudate and anterior portion of putamen

Question 8

function of the nucleus accumbens?

Answer 8

link between emotions planning and motivation

Question 9

definition of the prefrontal cortex

Answer 9

anything that interacts with the dorsal medial thalamus

Question 10

what is the last brain area to develop?

Answer 10

prefrontal cortex

Question 11

what are the two regions of the PFC? What do the do? Location? Speed?

Answer 11

1. Default network (DMN) - impulse- located in center of PFC and fires fast
2. Attention/ Association Network (ACN) - control - located more lateral in the PFC and fires slower.