Week 8 Brain Area

Question 1

What is Grey matter?

Answer 1

Area with capillary blood vessels and cell bodies

Question 2

what is white matter?

Answer 2

Axons covered by glial cells

Question 3

What is Reticular matter?

Answer 3

Bodies and axons mixed

Question 4

What are the 5 levels of the Meninges?

Answer 4

• Dura Mater
• Arachnoid membrane
• Subarachnoid Membrane
• Arachnoid Trabeculae
• Pia Mater

Question 5

describe Dura Mater

Answer 5

Tough, fibrous protective coating

Question 6

Describe Arachnoid Membrane

Answer 6

composed of blood vessels and other Vasculture

Question 7

Describe Subarachnoid space

Answer 7

Cerebral spinal fluid

Question 8

Describe Pia Mater

Answer 8

Delicate tissue in direct contact with the surface of the brain

Question 9

The brain contains 4 hollow interconnected chambers called what?

Answer 9

Ventricles

Question 10

What are the ventricles filled with?

Answer 10

Cerebrospinal fluid

Question 11

Where is cerebrospinal fluid made?

Answer 11

Choroid plexus

Question 12

what happens if the brain’s supply of ‘fuel’ is interrupted for 6 seconds?

Answer 12

unconsciousness and lasting damage

Question 13

what are the three main sections of the brain?

Answer 13

• forebrain
• midbrain
• hindbrain

Question 14

what are some of the functions of the cerebral cortex?

Answer 14

• attention
• awareness
• reasoning
• planning
• emotion
• language
• perception
• consciousness

Question 15

what is the other names for a cleft?

Answer 15

Fissure or Sulcus

Question 16

what is the other name for a ridge

Answer 16

Gyrus

Question 17

What are the four lobes of a hemisphere?

Answer 17

• frontal
• parental
• temporal
• occipital

Question 18

What connects the left and right hemispheres?

Answer 18

The corpus callousness

Question 19

what is the corpus callousness made from?

Answer 19

millions of myelinated axons

Question 20

what is the purpose of the corpus callousness?

Answer 20

it provides a pathway for communication between the hemispheres

Question 21

frontal cortex acts as a ___ as it receives input from the thalamus, lambic system, hypothalamus and other lobes.

Answer 21

‘control centre’

Question 22

What are the key functions of a frontal cortex?

Answer 22

• planned motor control
• speech production
• higher order functioning:
• thinking
• personality
• emotional process
• memory

Question 23

what is Wernicke’s Aphasia?

Answer 23

the inability to understand words or arrange sounds into coherent speech

Question 24

what are the main functions of the parietal lobes?

Answer 24

• spatial sense
• navigation
• sensory receptive area (touch and pain)

Question 25

name some of the functions of the occipital lobes

Answer 25

``` processing of- •visual information • analysing shapes • colours • feature integration and movement ```

Question 26

What is the Thalamus?

Answer 26

a relay station between the sensory information which it received from the other brain regions and the passing of this information to the cortex where it is processed at a finer level

Question 27

what is the purpose of the Hypothalamus?

Answer 27

it regulates the autonomic nervous system and is connected to the pituitary gland

Question 28

what is the limbic system?

Answer 28

a group of structures located in the the forebrain, midbrain and hindbrain, involved with emotion and memory

Question 29

what is the function of the cingulate gyrus?

Answer 29

control of emotional behaviour

Question 30

what is the purpose of the amygdala?

Answer 30

emotional processing and motivation

Question 31

where is the midbrain?

Answer 31

above the brain stem and below the thalamus and hypothalamus

Question 32

what is another name for ‘midbrain’?

Answer 32

Mesencephalon

Question 33

which system is the superior collects part of?

Answer 33

the visual system

Question 34

which system is the inferior colliculus part of?

Answer 34

the auditory system

Question 35

which parts of the brain make up the brain stem?

Answer 35

Pons and Medulla

Question 36

what parts of the brain does the hind brain consist of?

Answer 36

cerebellum and brain stem

Question 37

what does Ipsilateral mean?

Answer 37

the same side of the body

Question 38

what does contralateral mean?

Answer 38

different sides of the body

Question 39

what does Afferent mean?

Answer 39

axons carrying messages towards the brain

Question 40

what does efferent mean?

Answer 40

axons carrying away from the brain

Question 41

what is the use of projection maps?

Answer 41

tracing axons from the sensory neutrons into the brain and by tracing axons from the cortex to the motor neurons

Question 42

what is the purpose of cytoarchitectonic maps?

Answer 42

denote the distribution of different types of cells in cortex

Question 43

what is the purpose of functional maps?

Answer 43

matching area to function through study of damaged brains and scanning