Week 1

Question 1

What is the name of the brain structure located at the standard coordinates of x=0, y=0, z=0?

a) Posterior commissure
b) Fornix
c) Anterior commissure
d) Corpus callosum

Answer 1

c) Anterior commissure

Question 2

Which of the following statements about standard stereotactic coordinates is true?

a) Negative “x” values are located in the right hemisphere of the brain
b) The right and left hemispheres have positive and negative “z” values respectively
c) The “z” values of brain regions ventral to the anterior commissure are positive
d) Brain regions caudal to the posterior commissure have negative “y” values

Answer 2

d) Brain regions caudal to the posterior commissure have negative “y” values

Question 3

Anterior

Answer 3

the front of the body or brain

Question 4

Posterior

Answer 4

back of the body or brain.

Question 5

Dorsal

Answer 5

directional term that refers to the back/ upper or superior portion of the brain

Question 6

Ventral

Answer 6

directional term that refers to the front/ lower or inferior portion of the brain

Question 7

Rostral

Answer 7

towards the nose

Question 8

Caudal

Answer 8

towards the tail/ the back of the brain

Question 9

Distinguish between neurologists and radiologists when examining an axial MRI image

(how do they determine left from right)

Answer 9

Neurologists look down Right on right side of image

Radiologists look up Right on left side of image

Question 10

Distinguish between neurologists and radiologists when examining an coronal MRI image

(how do they determine left from right)

Answer 10

Neurologists look from behind Right on right side of image

Radiologists look from in front Right on left side of image