Cerebral Cortical Function

Question 1

brodmann area for posterior parietal cortex

Answer 1

5 and 7

Question 2

input to posterior parietal cortex

Answer 2

sensory and motor cortices

Question 3

output from posterior parietal cortex

Answer 3

cerebellum via pontine nuclei

Question 4

symptoms of contralateral personal neglect syndrome

Answer 4

deficit in self-image of contralateral side of body
don’t wash or dress the side
deny it’s even a part of them

Question 5

how do you cause neglect syndrome

Answer 5

damage to posterior parietal lobe in non-dominant hemisphere

Question 6

what is usually the non-dominant hemisphere

Answer 6

right

Question 7

spatial neglect symptoms

Answer 7

problem copying contralateral side of drawing

Question 8

representational neglect symptoms

Answer 8

neglect one half of a remembered image

Question 9

asomatognosia

Answer 9

pt lacks awareness of the condition of all o rpart of their body

Question 10

verbal asomatgnosia

Answer 10

pt verbally denies that a part of their body belongs to them

Question 11

astereogensis

Answer 11

inability to ID objects by feeling them

Question 12

what can cause astereognosis

Answer 12

lesions in somatosensory cortices in parietal lobe

Question 13

agnosia

Answer 13

general term for inability to recognize objects by a particular sensory modality even though the sensory modality itself is intact

Question 14

how is planum temporal different between hemisphere

Answer 14

larger in left than the right

Question 15

how do you determine which hemisphere is dominant for language

Answer 15

wada test
tachistoscope test
linguistic dominance adn handedness

Question 16

how do you do the wada test

Answer 16

inject short acting barbiturate into internal carotid a and look for transient aphasia

Question 17

functions of left hemisphere

Answer 17

writing
speech
lexical and syntactic language

Question 18

function of right hemisphere

Answer 18

emotional coloring of language
spatial abilities
rudimentary speech

Question 19

broca’s aphasia is due to lesions in what brodmann area

Answer 19

44 and 45

Question 20

symptoms of broca’s aphasia

Answer 20

nonfluent
limited speech
imparied repetition

Question 21

are people with broca’s aphasia aware of their condition

Answer 21

yes

Question 22

wernicke’s aphasia is caused by lesions in what brodmann area

Answer 22

22

Question 23

what is conduction aphasia caused by

Answer 23

interrruption of connections between broca’s and wenicke’s area

Question 24

symptom of conduction aphea

Answer 24

comprehension is normal but patient loses many paraphasia and can’t repeat what is heard

Question 25

global aphasia

Answer 25

most severe form have automatic speech solomon grundy

Question 26

alexia

Answer 26

disruption in ability to read

Question 27

what is alexia caused by

Answer 27

disconnection between visual and language systems

Question 28

what does american sign language depend on

Answer 28

left hemisphere

Question 29

aprosodia

Answer 29

loss of emotional expression in speech

Question 30

what are the 3 different kinds of prefrontal dysfunction

Answer 30

dorsolateral prefrontal area orbitofrontal area medial frontal/anterior cingualate area

Question 31

lesion to dorsolateral prefrontal area causes what

Answer 31

trouble with execuative functions, do bad on wisconsin card sorting task

Question 32

lesion to orbitofrontal area causes what

Answer 32

disinhibtion

Question 33

lesion to frontal/anterior cingulate area causes what

Answer 33

apathy and slowed cogniztion

Question 34

abulia

Answer 34

loss or impariemtn of ability to perform voluntary actions and make decisions

Question 35

akinetic mutism

Answer 35

patient does not move or speak even though they are awake

Question 36

example of primitive reflex

Answer 36

suckling, grasp

Question 37

frontal release signs

Answer 37

remergence of primitive reflexes