Lec2: Brain Development 1

Question 1

What are the three parts of the frontal lobe?

Answer 1

Primary Motor Cortex, Planning motor movements, Frontal Association Cortex

Question 2

What does the frontal association cortex store?

Answer 2

Behaviour, Intelligence, Mood, Personality

Question 3

What does the primary auditory cortex do?

Answer 3

Listens for TONES

Question 4

What two things does Wernicke’s area do?

Answer 4

1. Interprets what sounds/speech means

2. Filters out unimportant sounds

Question 5

What does the temporal association cortex store?

Answer 5

Memory, Intelligence, Aggression

Question 6

What happens if the temporal lobe degrades?

Answer 6

Progressive memory loss relating to the amount of degradation

Question 7

What do the supramarginal and angular gyri do?

Answer 7

Reading + writing

Question 8

What is another name for the parietal association cortex?

Answer 8

Occipital association cortex

Question 9

What does the occipital association cortex do?

Answer 9

1. 3D awareness (spatial skills) –> Couch through door
2. Recognising shapes/faces –> smiles are positive
3. Reading + writing

Question 10

What does Broca’s area do?

Answer 10

Tells Primary Motor Cortex which nerves to fire to create appropriate motor movements for speech

Question 11

Where is Broca’s area located relative to the Primary Motor Cortex?

Answer 11

Directly beside the region that represents the face/mouth

Question 12

What is another name for Crus Cerebri?

Answer 12

Basis pendunculi

Question 13

What do the Crus Cerebri do?

Answer 13

Carry motor info from brain to spinal cord

Question 14

What does the substantia nigra contain?

Answer 14

Large, black dopamine producing cells

Question 15

Where do the fibres of the substantia nigra extend to?

Answer 15

Striatum

Question 16

What are the names of the three parts of the Tegmentum?

Answer 16

1. Midbrain/mesencephalonic
2. Pontine
3. Medullary

Question 17

What is the Tegmentum?

Answer 17

A branch of the anterolateral (pain + temp) system

Question 18

What are the protrusions of the tectum and the function of each? What are they collectively called?

Answer 18

1. 2 superior colliculi = sight reflex
2. 2 inferior colliculi = sound reflex
3. Both function to control body orientation
4. Corpora Quadrigemina

Question 19

What does the Pars Basilaris do?

Answer 19

Carries corticospinal fibres from primary motor cortex pyramids

Question 20

What do the cerebellar penduncles do?

Answer 20

1. Fibres extending to and from brainstem to cerebellum

2. Attaches brainstem to cerebellum