Limbic Association Cortex

Question 1

True or False:

The limbic system is an integrative network of brain structures lying in the medial and inferior aspects of the brain

Answer 1

True

Question 2

What is the oldest system in the brain

Answer 2

Limbic system

Question 3

What are the 4 basic functional categories of the limbic system (HOME)

Answer 3

1. Homeostasis
2. Olfaction
3. Memory
4. Emotions and drives

Question 4

What is the key structure associated with homeostasis

Answer 4

Hypothalamus

Question 5

What is the key structure associated with olfaction

Answer 5

Olfactory cortex

Question 6

What is the key structure associated with memory

Answer 6

Hippocampal formation

Question 7

What is the key structure associated with emotions and drives

Answer 7

Amygdala

Question 8

True or False:

The limbic system forms a ring on the medial aspect of the brain

Answer 8

True

Question 9

What does the limbic system mainly consist of (2)

Answer 9

1. Cingulate cortex

2. Parahippocampal gyri

Question 10

How many layered hippocampal formation gyri are in the limbic system

Answer 10

3

Question 11

What does the hippocampal formation consist of (3)

Answer 11

1. Dentate gyrus
2. Hippocampus proper
3. Subiculum (in and out door)

Question 12

Where does the hippocampal formation and the amygdala lie

Answer 12

Along the floor of the temporal horn of the lateral ventricle

Question 13

True or False:

The amygdala and the hippocampal formation are cortical areas that are continuous with surface cortical structures

Answer 13

True

Question 14

Where does the hippocampal formation end

Answer 14

Mamillary bodies

Question 15

True or False:

The hippocampal formation is crucial to recent memory function

Answer 15

True

Question 16

Where do inputs to the hippocampus come from

Answer 16

Entorhinal cortex

Question 17

What are the 2 input pathways of the entorhinal cortex

Answer 17

1. Perforant pathway

2. Alvear pathway

Question 18

Where does the perforant pathway go

Answer 18

Dentate

Question 19

Where does the alvear pathway go

Answer 19

Hippocampus proper

Question 20

Which pathway is the major input pathway the perforant or alvear pathway

Answer 20

The perforant pathway

Question 21

Where do outputs from the hippocampal formation go

Answer 21

Back via the subiculum to the entorhinal cortex

Question 22

Where do outputs to anterior association cortices go

Answer 22

Through the fornix

Question 23

What is the main way out of the hippocampal formation

Answer 23

Entorhinal cortex

Question 24

What are the 2 ways out of the hippocampal formation

Answer 24

1. Fornix

2. Entorhinal cortex

Question 25

What are the main subcortical connections of the hippocampal formation (5)

Answer 25

1. Contralateral hippocampus 2. Anterior nucleus of thalamus 3. MEdidorsal nucleus of thalamus 4. Mammillary bodies 5. Septal nuclei

Question 26

What is lost with bilateral destruction of the hippocampus and parahippocampal gyrus

Answer 26

Profound deficit in forming new arbitrary associations and new episodic memories

Question 27

What is preserved with bilateral destruction of the hippocampus and parahippocampal gyrus (3)

Answer 27

1. Preserved acquisition of skills (mirror reading) 2. Preserved mirror drawing 3. Preserved item specific priming in stem completion

Question 28

True or False: | Working memory is your present and long term memory is your past

Answer 28

True

Question 29

What do declarative episodic and semantic memory depend on

Answer 29

Medial temporal lobes

Question 30

True or False: | HM had preservation of prior knowledge and remote memories

Answer 30

True

Question 31

True or False: | HM had loss of memory for recently experienced events

Answer 31

True

Question 32

What does it mean if something is in long term memory and you can't remember it

Answer 32

You are having a retrieval problem

Question 33

True or False: | HM had anterograde amnesia and some retrograde amnesia

Answer 33

True

Question 34

True or False: | Our episodic memories are emotional

Answer 34

True

Question 35

What type of memory did HM have deficits with

Answer 35

Declarative memory or facts and events

Question 36

True or False: | The amygdala is involved in emotion

Answer 36

True

Question 37

Where is the amygdala located

Answer 37

Just anterior to the hippocampal formation in the anterior temporal lobe

Question 38

True or False: | The amygdala is the reason we have episodic emotional memories of the past

Answer 38

True

Question 39

Does the hippocampus have a direct connection to the olfactory cortex

Answer 39

Nope

Question 40

What has a direct connection to the olfactory cortex

Answer 40

Amygdala

Question 41

True or False: | Like the hippocampal formation the amygdala has connections with association cortices and subcortical structures

Answer 41

True

Question 42

True or False: | The amygdala participates in networks mediating all major limbic system activities (HOME)

Answer 42

True

Question 43

Good luck gentlemen

Answer 43

Fuck shit up