Anatomy of the Limbic system

Question 1

What is highlighted in red

what is 4 and what is 24?

Answer 1

limbic lobe

cingulate gyrus 4

parahippocompal gyrus 24

Question 2

what are the 4 key structures of the Limbi system (hippo with a hat)

Answer 2

Question 3

Label the below image amygdala

Answer 3

amygdala

hippocomapsu

thalmus

Question 4

Where is the hippocampus found? what is its role

Answer 4

‘sea horse’ on the temporal lobe

found between dentat gyris and parahippocmapus grus

Role- memory consolidation, spatial navigation and orientation

Question 5

What is the Function of the hypthalamus

Answer 5

Question 6

What is the mamillary body a part of?

Answer 6

the hypothalmus

Question 7

What is the labelled green structure?

Answer 7

hippocampus

medial aspect of the temporal lobe closely related to the inferior horn of the lateral ventricle

Question 8

Name the structure on the diagram below

(connecting the hippoxampus to the mamillary body)

Answer 8

Fornix

Question 9

what is the role of the Mamillary body?

Answer 9

Helps to process and recall ememories (especially smells)

alos invovlved in emotions behvaiour and recongition of sensations

Question 10

What does the Hypothalamus form part of a ventricle swall

Answer 10

Lateral wall of the third ventricle

Question 11

Label the below image

Question 12

What is the labelled structure

Question 13

What are the roles of the 4 Major parts of the Limbic system?

Answer 13

Question 14

Describe Papez cirucitry?

Answer 14

Stimulus—–> hippocampus

relays to the mamillary bodies (hypothalamus)

comnnected to the anteriro nucleus of the thalamus—-> cingulate cortex—–> cortex

Question 15

Describe how infromatiomn goes from seeing to interepting to remebering pathway

Answer 15

PVC—-> ventral visual stream—–> parahippocomapal gyus—> hippocmapus (papex cirucitry)

Question 16

What type of memory is the Hippocampus invovled in?

Answer 16

Declarative memory

Storage and retrieval of material that is available to consciousness and can be in principle be expressed by language- hippocampus (facts/ dates/ names/ )

Question 17

What is the role of the association cortex?

Answer 17

Higher order cortex- makes sense of information from the primary snensory cortex

Question 18

what is th role of the Prefrotnal cortex?

Answer 18

Behavioural planning

Question 19

why does information go from the association cortex- to papez cirucitry back again?

Answer 19

Stimulus is processed and consolidated (short term memories) and are then sent back to association cortex to be remembered (long term)

Question 20

Describe the baasic link betweent the neocortex, loimbic system and output pathwasy

Question 21

what is the role of the amygdala

Answer 21

Question 22

what can overide the amygdala fear response?

Answer 22

prefrontal cortex controls the amygdala

Question 23

Describe the asecnding reticular system?

Answer 23

neuroens in braisntem have global cortex

infleucne mood

sleep wake (hypothalamus)

arousal

cocnentration

Question 24

Describe short term and long term storage of memories in the brain (which areas)

Answer 24