NS 8 -cerebral cortex

Question 1

describe the cerebral cortex

Answer 1

regional specilisation of function

Question 2

what is the function of the thalamus?

Answer 2

relay and integration, en route to cortex

Question 3

the Cerebral cortex has two types of specialization, name them?

Answer 3

Primary and association cortex

Question 4

what is the exit and entry point for the primary cortex?

Answer 4

exit - motor

entry point - sensory

Question 5

what happens in the association cortex?

Answer 5

Integration, complex, processing

Question 6

is the majority of the cortex primary or association?

Answer 6

asoociation

Question 7

Where is the primary motor cortex located?

Answer 7

precentral gyrus

Question 8

where is the most direction of motor activity?

Answer 8

primary motor cortex

Question 9

what is the function of the primary motor cortex?

Answer 9

force, direction and speed of muscle interactions

Question 10

what is the homunculus?

Answer 10

when certain parts of the body have enlarged representations

Question 11

what is the supplementary motor area responsible for?

Answer 11

planning complex tasks

Question 12

what is the premotor complex (which lies lateral to precentral gyrus) responsible for?

Answer 12

preparation for action

Question 13

which gyrus is associated with the primary sensory cortex?

Answer 13

post central gyrus

Question 14

which cortex is responsible for interpretation

Answer 14

association somatosensory cortex

Question 15

where is the superior parietal lobe?

Answer 15

lies lateral to post central gyrus

Question 16

what is the superior parietal lobe responsible for?

Answer 16

awareness/ perception in space

Question 17

which cortex is the prefrontal region?

Answer 17

association cortex

Question 18

which lobe is responsible for personality?

Answer 18

frontal

Question 19

list the features of frontal lobe damage

Answer 19

1. personality changes
2. deficits in planning
3. perservence
4. primitive reflexes

Question 20

define expressive aphasia

Answer 20

language is reduced to disjointed words and sentance construction is poor
comprehension is okay

Question 21

define Receptive aphasia

Answer 21

unable to understand/ generate meaningful language

Question 22

what is Brocas area?

Answer 22

regions of the frontal lobe with functions linked to speech production

Question 23

what is Wernikes area ?

Answer 23

region in the temporal lobe invovled in comprehension or understanding language

Question 24

in which hemisphere does language processing occur?

Answer 24

left hemisphere - 96%

Question 25

what occurs on the right side of the brain?

Answer 25

drawing, music and spacial perception

Question 26

hemispheres can switch specialisation sides

Answer 26

true

Question 27

what is the thalamus?

Answer 27

collection of nuclei (gray matter)

Question 28

function of thalamus?

Answer 28

relay and processes sensory and motor info which is en route to the cortex

Question 29

where is the thalamus located?

Answer 29

sits on top of brainstem in the lateral wall of third ventricle

Question 30

which gyrus is associated with communication with the somatosensory cortex?

Answer 30

post central gyrus

Question 31

the VPL nucleus relays sensory info from the…

Answer 31

body

Question 32

the VPM nucleus of the thalamus relays sensory info from the

Answer 32

head

Question 33

what communicates with the primary visual cortex?

Answer 33

lateral geniculate body of the thalamus

Question 34

where does the medial geniculate body of the thalamus relay info to?

Answer 34

auditory cortex

Question 35

connections with the motor cortex…

Answer 35

motor feedback from basal ganglia and cerebellum via the ventro anterior and lateral nuclei