SAQ Mid sem

Question 1

Pain can be classified as ‘fast, sharp’ or ‘slow, dull’ pain. Fill in the table below regarding the different
characteristics of each of these pain pathways.

Answer 1

Question 2

What are main functions of the hippocampus?

Answer 2

information from short-term memory to long-term memory, and spatial memory

Question 3

What is the role of the amygdala?

Answer 3

memory, decision making, and emotional/fear responses

Question 4

What is the role of the fornix?

Answer 4

major output fiber tract of the hippocampus

Question 5

What is the role of the hypothalamus?

Answer 5

Links the nervous system and endocrine.
Specific nuclei of this region have specific functions:
Suprachiasmatic- sleep/waking cycle,
Ventromedial - control of food and fluid intake
Supraoptic -produces- vasopressin
Paraventricular - synthesis oxytocin

Question 6

Hugh, a 58 year old man, is suspected of having seizures but requires further investigation to confirm this
a) What investigation would best be used for diagnostic analysis of Hugh’s seizures?

Answer 6

Electroencephalography (EEG)

Question 7

Hugh, a 58 year old man, is suspected of having seizures but requires further investigation to confirm this

b) What does this investigation measure?

Answer 7

Volume currents from brain neural activity, from electrodes placed on scalp surface

Question 8

Hugh, a 58 year old man, is suspected of having seizures but requires further investigation to confirm this

c) What would you expect to observe on this investigation during a seizure event?

Answer 8

A seizure results in abnormally excessive synchrony (wave and spike discharges) which may be focal (focal seizure) or widespread (generalized seizure)

Question 9

Hugh, a 58 year old man, is suspected of having seizures but requires further investigation to confirm this

d) List one advantage of this investigation

Answer 9

Cheap and has great temporal resolution