Week 9 - Intro to Brain & Spinal Cord

Question 1

Anatomical Reference planes of Brain

Answer 1

Question 2

What is Ventral and Dorsal in terms of Anterior and Posterior on the spinal cord

Answer 2

Dorsal = posterior
Ventral = anterior

Question 3

What are the bumps on the surface of the cerebrum called?

Answer 3

Gyri

Question 4

What are the grooves and fissures on the surface of the cerebrum called?

Answer 4

Sulci

Question 5

What is the function of the sulci?

Answer 5

divide cerebrum up into functional lobes

Question 6

What are the 6 different major sulci of the brain

Answer 6

• Central sulcus
• Lateral sulcus
• Parietooccipital sulcus
• Cingulate sulcus
• Calcarine sulcus
• Collateral sulcus

Question 7

What are the 5 different lobes of the brain?

Answer 7

• Frontal Lobe
• Parietal Lobe
• Occipital Lobe
• Temporal Lobe
• Limbic Lobe

Question 8

What does localisation of function mean?

Answer 8

Certain parts of the brain are more used for certain functions

E.g when considering injuries to certain parts of the brain -> ppl have lost a specific function

Question 9

Which lobe is the Primary Motor Cortex located? and which gyrus?

Answer 9

Frontal Lobe & Precentral Gyrus

Question 10

How is the motor aspects of the body organised?

Answer 10

Contralaterally

Left side of motor cortex controls right side of body and vice versa

Question 11

Going from lateral to superior, how is the primary motor cortex organised in terms of
our body parts

Answer 11

Lateral
- Mouth
- Face
- Hand
- Arm
- Trunk
- Leg
- Foot
Superior