Neuroanatomy 1

Question 1

What is the PNS

Answer 1

Peripheral nervous system Any thing outside of the Dura mater

Question 2

What is included in the CNS

Answer 2

The brain and spinal cord anything in the dura mater

Question 3

What is the mesencephalon

Answer 3

Midbrain

Question 4

What makes up the forebrain

Answer 4

The telencephalon and the diencephalon

Question 5

What is the prosencephalon

Answer 5

The forebrain

Question 6

What is in the grey matter of the brain

Answer 6

Neurones, fibres and branches for communication, synapses

Question 7

Why is white matter seen as a white colour

Answer 7

Myelin is a fatty white substance which is wrapped around axons found in the white matter

Question 8

What is the role of white matter

Answer 8

The cabling of the brain to carry impulses to one part of the nervous system to the other

Question 9

Where are association fibres found

Answer 9

Association fibres stay within one hemisphere and communicate information within that one hemisphere

Question 10

What is a fasciculus

Answer 10

A bundle of association fibres within a hemisphere

Question 11

What are comicural fibres

Answer 11

They are fibres which cross between the 2 hemispheres to communicate information

Question 12

What is the main commissural fibres

Answer 12

The corpus callosum

Question 13

What is an example of projection fibres

Answer 13

Internal capsules

Question 14

What is the role of projection fibres

Answer 14

They communicate information from the spinal cord to the brain hemispheres

Question 15

What splits the frontal and parietal lobe

Answer 15

Central sulcus

Question 16

What splits the frontal and parietal lobe from the temporal lobe

Answer 16

The lateral sulcus

Question 17

What splits the 2 hemispheres

Answer 17

The longitudinal fissure

Question 18

Where is the insula found

Answer 18

In the lateral fissure

Question 19

What is the function of the insula

Answer 19

Disgust
Emotion
Homeostasis
Perception
Motor control
Self-awareness
Cognitive functioning
Interpersonal experience

Question 20

What is the role of the frontal lobes

Answer 20

Motor function
Problem solving
Memory
Judgement
Impulse control
Higher cognitive function
Language
Executive function

Question 21

Which is the deepest and longest sulcus in the brain

Answer 21

The central sulcus

Question 22

Where is the motor cortex found

Answer 22

The back of the frontal lobe in the pre central gyrus

Question 23

What is found in the motor cortex

Answer 23

Upper motor neurones

Question 24

What is the function of the temporal lobe

Answer 24

Semantic processing (the meaning and identity of things)
Memory
Language
Primary auditory cortex

Question 25

What is the function of the parietal lobes

Answer 25

Somatosensory The dominant left side is for perception, language and mathematics The non dominant right side for visuospatial function

Question 26

What is the function of the occipital lobes

Answer 26

Visual

Question 27

How many layers does the neocortex have

Answer 27

6 layers

Question 28

Where is the primary visual cortex found

Answer 28

In the calcarine fissure

Question 29

What can the primary visual cortex also be called

Answer 29

The striate cortex

Question 30

Where does the 2nd layer of the neocortex have input from

Answer 30

The 2nd layer has input from other cortical areas of the brain

Question 31

Where does the 3rd layer of the neocortex send projections to

Answer 31

The 3rd layer sends projections to other cortical areas of the brain

Question 32

Where does the 4th layer of the neocortex receive inputs from

Answer 32

The 4th layer receives inputs from the thalamus

Question 33

Where does the 5th layer of the neocortex send projections to

Answer 33

The 5th layer sends projections to the brain stem and spinal cord

Question 34

Where does the 6th layer of the neocortex send projections to

Answer 34

The 6th layer sends projections to the thalamus

Question 35

What is the frontal petalia

Answer 35

This is where the frontal lobe of the right hemisphere projects forward more than the left

Question 36

What is the occipital Patalia

Answer 36

This is where the occipital lobe of the left hemisphere projects backwards more than the right side

Question 37

What are the coverings of the brain from most superficial inwards

Answer 37

Skin Bone Dura mater Arachnoid mater Trabeculae Subarachnoid space Pia mater

Question 38

How is the brain cavity seperated

Answer 38

By in-folds of the dura mater (dural folds)

Question 39

What are sinuses in the brain for

Answer 39

To collect used blood and direct it back to the heart to become oxygenated again