Final Neuro - Cortical and Cerebral Localization Flashcards Preview

SP14 Anatomy > Final Neuro - Cortical and Cerebral Localization > Flashcards

Flashcards in Final Neuro - Cortical and Cerebral Localization Deck (22):
1

What is the neuron that is unique to the cerebral cortex

pyramidal cell; excitatory

2

How many layers are found in the archicortex

3 cell layers

3

How many layers are found in the neocortex

6 cell layers

4

What are the four primary cortical area

visual
somesthetic
auditory
motor

5

What is the function of the occipital lobe and what would the result be if there were a lesion

vision center
lesion = prosopagnosia and visual agnosia

6

What is the function of the superior parietal lobule and what would be the result if there were a lesion

touch and vision to direct eye and arm movement
lesion = tactile agnosia; loss of the ability to recognize objects based upon touch

7

What is the function of the inferior parietal lobule and what would the result be if there were a lesion

learned motor behaviors (like tying a shoe)
lesion = apraxia; inability to carry out motor action
gerstmann's syndrome; inability to name finers, difficulty in reading and righting, left/right confusion
sensory hemineglect syndrome; unawareness of one side of body

8

What is the function of the dorsolateral temporal lobe and what would the result be if there were a lesion

primary auditory cortex; speech, music, and memory
lesion = speech; alphanumeric processing
schizophrenia

9

What is the function of the posterior superior temporal gyrus and what would result if there were a lesion

Wernicke's area, speech and language
lesion = receptive aphasia; free flowing speech with no content

10

What is the function of the inferior temporal gyrus and medial temporal lobe and what would a lesion result in

inferior temporal gyri; "what" detail and color
medial temporal lobe; memory
lesion = amnesia

11

What is the function of the frontal lobe and what would the result be if there were a lesion

motor movements
lesion = contralateral paralysis of leg
akinesis (loss to initiate motor)
mutism (loss to initiate speech)

12

This is the inability to identify/describe objects exclusively by touch

tactile agnosia

13

This is the loss of ability to direct hand movements

optic ataxia

14

This is the inability to carry out a learned motor act

apraxia

15

This is finger agnosia, difficultly reading/writing, left and right confusion

Gerstmann's syndrome

16

This is the inability to name faces

prosopagnosia

17

This is the loss of memory

amnesia

18

This is free-flowing speech of repeated sounds instead of words

Wernicke's receptive aphasia

19

These are lesions of motor areas

contralateral paralysis

20

This is the inability to create voluntary muscle movement

akinesis

21

This is the inability to speak

mutism

22

This is jerky halting speech with content, but can't remember which words to say

Broca's expressive aphasia