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Flashcards in Cortex Deck (37)
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1

motor cortex UMN tracts

midline and sup half --> CST
inf half --> CBT

2

sensory cortex termination sites

midline and sup 1/2: from VPL thalamus
inf 1/2: from VPM

3

MCA block -->

contra motor def
contra senesthesia
(face, UL, trunk)
brocas
wernickes

4

ACA block -->

contra motor def
contra senesthesia
(LL)

5

PCA block -->

primary visual cortex loss

6

higher motor area (+ fxn)

premotor cortex
supplementary motor area
(both in front of primary motor area)
fxn: motor planning

7

prefrontal cortex fxn

personality/executive behaviors

8

contralateral horizontal gaze center location

frontal eye fields
in front of premotor cortex

9

higher motor lesions

apraxia - cant execute learned tasks
no weakness

10

higher sensory lesions

agnosia - no knowledge of sensation

11

higher sensory area (+fxn)

somatosensory association cortex (post to primary somatosensory cortex)

12

dominant hemisphere fxns

language (speech, comprehension + written)
skilled motor (praxis)
simplle math
music ability (trained musicians)
sense of direction - following directions

13

non dominant hemisphere fxns

prosody (emotion in voice + understanding tone)
visual-spatial anaylysis/attention
math organiztion
music (untrained)
direction (overall sense)

14

response path

hear (primary aud)
understand (Wernicke)
arcuate fasciculus
speak (broca)
CBT to speech muscles

15

language centers (+fxns)

broca (motor speech)
wernicke (oral comprehension)
angular gyrus (written comprehension)

16

aphasia common qualities

a/disgraphia
impaired ability to repeat

17

broca's aphasia aka

expressive aphasia
motor, nonfluent

18

brocas aphasia sx

understand written and spoken
speech usually 1 syllable words
agraphia
patients aware and frustrated

19

brocas aphasia complications

primary motor cortex
right lower face weakness
weak right arm

20

wernickes aphasia aka

receptive aphasia
fluent, receptive

21

wernickes aphasia sx

cant comprehend spoken
may not be able to read
fluent meaningless verbalization
paraphasic - misuse words
unaware of deficit
slight bilateral hearing loss

22

gerstmann syndrome lesion

angular gyrus

23

gerstmann syndrome sx

comprehend spoken
can't comprehend written
agraphia
aculia (loss of simple math)
finger agnosia (can't recognize fingers)
right-left disorientation

24

right side lesion sx

can't add emotion into speech
cant understand emotional tone
unilateral neglect of L visual and somatosensory world

25

right side lesion dx

bisect line
draw #s on clock

26

lesion amygdala -->

kluver-bucy syndrome

27

basal ganglia - ACA

caudate nuc
ant internal capsule

28

basal ganglia - MCA

putamen
globus pallidus (e + i)

29

basal ganglia - anterior choroidal (or deep MCA (lenticulostriate)

genu (CBT)
post internal capsule (somatosensory, CST)
(aud/vis from medial/lat geniculate nuclei)

30

basal ganglia - PCA

thalamus
(deep branches - thalamoperforating)