5. Cerebral Cortex and Cortical Localization

Question 1

Function of Frontal Lobe

Answer 1

Controls movement and speech

Question 2

Function of Parietal Lobe

Answer 2

important for sensory perception and sight, touch, hear smell, taste

Question 3

Function of Primary motor cortex

Answer 3

it generates signals to direct the movement of the body

Question 4

Function of Primary somatosensory cortex

Answer 4

role in processing afferent somatosensory input and contributes to the integration of sensory and motor signals necessary for skilled movement

Question 5

Function of Occiptal lobe

Answer 5

important in sight and color processing

Question 6

Function of visual cortex

Answer 6

visual processing and voluntary eye control

Question 7

Function of Brocas area

Answer 7

Important in speech formation

Question 8

Function of Wernicke’s Area

Answer 8

important in understanding speech

Question 9

Function of temporal lobe

Answer 9

it helps with processing auditory information and with the encoding of memory

Question 10

Function of Auditory cortex

Answer 10

receives and processes the contents of sounds, voices, or music

Question 11

Function of sensory homunculus

Answer 11

map along the cerebral cortex of where each part of the body is processed

Question 12

Function of motor homunculus

Answer 12

a map of brain areas dedicated to motor processing for different anatomical divisions of the body

Question 13

Describe the importance of REM sleep and the normal distribution of REM sleep within the sleep cycle

Answer 13

its important because without it it could cause dysfunction. it happens about 4-6 time per night (typical 8 hour sleep)

Question 14

Describe Consciousness

Answer 14

The state of being aware

Question 15

Describe Dementia

Answer 15

loss of cognitive functioning

Question 16

Describe Confusion

Answer 16

inability to think as clearly or quickly as you normally do.

Question 17

Describe Stupor

Answer 17

A state of impaired consciousness that can be aroused only by continual stimulation

Question 18

Describe Coma

Answer 18

A state of profound unconsciousness from which one cannot be roused.

Question 19

Describe the criteria with which a person might be declared “brain dead”

Answer 19

permanent loss of cerebral and brain stem function, absence of stimuli and reflex as well.

Question 20

List 4 common causes of headache

Answer 20

Tension
eye disorder
inflammation
swelling of sinuses

Question 21

Describe what a migraine is

Answer 21

headache associated with visual disturbance

Question 22

List the symptoms of a possible stroke

Answer 22

-Face, is it drooping?
-Arms, can you raise both?
-Speech, is it slurred or jumbled?

Question 23

Describe the possible benefit of tPA administration

Answer 23

helps to restore blood flow to brain regions affected by a stroke, thereby limiting the risk of damage and functional impairment, if it is applied in the 4.5 hours window

Question 24

Describe merits of using CT,MRI,PET techniques to image the brain

Answer 24

-CT: preferred method for detecting bleeding in the brain
-MRI-preferred imaging technique for brain tumours and all spinal imaging
-PET: shows the levels of glucose metabolism