Ischemic CVA Syndromes- Lecture 11

Question 1

how are the primary motor and sensory areas arranged

Answer 1

somatotopically

Question 2

cortical homunculus

Answer 2

different parts of the body are represented by different portions of the brain

Question 3

what is the cortical area devoted to each body part proportional to

Answer 3

motor innervations received by the corresponding body parts

Question 4

ischemic syndromes

Answer 4

MCA

ACA

PCA

IC

vertebral

basilar

cerebellar

Question 5

MCA

Answer 5

upper and lower division

Question 6

is MCA embolic or thrombic

Answer 6

embolic more often

Question 7

MCA is most often

Answer 7

occluded artery as a result of vascular dz

Question 8

MCA is the

Answer 8

largest terminal branch of the IC

Question 9

what does the MCA supply

Answer 9

lateral cerebral hemisphere

posterior internal capsule

corona radiata

globus pallidus

caudate

putamen

Question 10

MCA occlusion results in

Answer 10

contralateral spastic hemiparesis

contralateral hemianesthesia

contralateral homonymous hemianopsia w/ impairment of conjugate gaze in the direction opposite the lesion

Question 11

homonymous hemianopsia

Answer 11

loss of the temporal visual field form one eye and the nasal visual field of the other eye

Question 12

R occipital lobe damage

Answer 12

loss of L visual field

L temporal and R nasal

Question 13

L occipital lobe damage

Answer 13

loss of R visual field

R temporal and L nasal

Question 14

MCA occlusion –> L hemisphere is involved

Answer 14

dominant

global aphasia

Question 15

MCA occlusion –> R hemisphere involved

Answer 15

non-dominant

perceptual deficits

Question 16

perceptual deficits

Answer 16

anosognosia

unilateral neglect

spatial disorganization

Question 17

upper division MCA involvement of dominant hemisphere

Answer 17

broca’s aphasia with hemiparesis of face and UE more than LE

Question 18

broca’s aphasia

Answer 18

frontal lobe damage

Question 19

other names for broca’s aphasia

Answer 19

expressive

oromotor

non-fluent

Question 20

broca’s aphasia is

Answer 20

lesion to the frontal lobe of the L hemisphere

Question 21

what does broca’s aphasia cuase

Answer 21

awkward articulations

restricted vocab

restriction to simple grammatical forms

Question 22

brocas aphasia comprehension

Answer 22

in tact

Question 23

brocas aphasia writing

Answer 23

skills mirror pattern of speech

Question 24

brocas aphasia reading

Answer 24

less impaired than speech and writing

Question 25

lower division MCA occlusion on the dominant side

Answer 25

auditory association cortex of lateral temporal lobe

Question 26

lower division MCA occlusion causes

Answer 26

Wernicke's aphasia

Question 27

other names for Wernicke's aphasia

Answer 27

receptive sensory fluent

Question 28

Wernicke's aphasia includes

Answer 28

loss of auditory comprehension loss of command following loss of ability to read and write distortion of articulate speech

Question 29

Wernicke's aphasia hearing

Answer 29

intact

Question 30

Wernicke's aphasia speech

Answer 30

fluent with a natural language rhythm but lack content or meaning uses neologisms and paraphasias

Question 31

global aphasia

Answer 31

severe aphasia of both production and comprehension

Question 32

global aphasia includes

Answer 32

poor reading and auditory comprehension, repetition, naming and writing

Question 33

global aphasia speech

Answer 33

non fluent

Question 34

what is global aphasia indicative of

Answer 34

extensive brain involvement can be bilateral

Question 35

global aphasia prognosis

Answer 35

poor

Question 36

conduction aphasia

Answer 36

results from interruption in connections b/w Broca's and Wernicke's area

Question 37

conduction aphasia presents like

Answer 37

Wernicke's aphasia but with good comprehension and understands commands

Question 38

conduction aphasia has

Answer 38

poor repetition, naming and writing

Question 39

ACA supplies

Answer 39

frontal and parietal lobes BG anterior fornix anterior 4/5 of corpus callosum

Question 40

ACA syndrome is

Answer 40

fairly rare frequently asymptomatic d/t collateral circulation

Question 41

what does ACA syndrome occur d/t

Answer 41

embolism more than thrombus

Question 42

if dominant language hemisphere is affected (ACA)

Answer 42

abulia and a reduction in the rate or complexity of language and speech

Question 43

abulia

Answer 43

abnormal lack of ability to act or to make decisions

Question 44

severe form of abulia

Answer 44

akinetic mutism

Question 45

ACA affects

Answer 45

LE > UE by paresis and sensory loss

Question 46

ACA has

Answer 46

memory and behavioral impairments

Question 47

non-dominant side damage ACA

Answer 47

unilateral neglect