Limbic System

Question 1

Ionic tastes

Answer 1

Salty

Sour

Question 2

Second Messenger tastes

Answer 2

Sweet
Bitter
Umami

Question 3

Pathway of tastes starting with cranial nerves

Answer 3

CN VIII, IX,X
to
Rostral solitary Nucleus in medulla
to
thalamus
to
area of sensory cortex that is lateral to the face and close to the insular cortex

Question 4

The pathway of taste is a good example of what coding that maintains that the sense has specific receptors that are particularly sensitive/attuned to specific tastes/stimuli

Answer 4

Labelled Line Coding

Question 5

What are the three major places that the olfactory bulb fibers project to
via

(G-Protein-coupled pathway)

Answer 5

olfactory bulb to

amygdala to septal nuclei/hypothalamus

Piriform cortex to neocortex

Entorhinal ctx

Question 6

The sense of smell can cause strong emotions immediately more so than other sense because

Answer 6

it synapses directly into the limbic system

Question 7

What is the Papetz circuit that is involved in memory?

Answer 7

assoc/cingulate 
to
entorhinal
to
hippocampus
to
mammillary body
to
anterior nucleus of thalamus

Question 8

The entorhinal cortex is damaged first in Alzheimer’s disease which causes new memories to be damaged because the stimuli go from the entorhinal cortex to the hippocampus and the hippocampus is needed for

Answer 8

forming new memories

Question 9

The ______ cortex is damaged first in Alzheimer’s disease which causes new memories to be damaged because the stimuli go from the ______ cortex to the hippocampus and the hippocampus is needed for forming new memories

Answer 9

entorhinal cortex

Question 10

CA region of the hippocampus is filled with

Answer 10

Pyramidal cells