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Neuroanatomy 1 > Brodmann Areas quiz > Flashcards

Brodmann Areas quiz Flashcards

(54 cards)

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1
Q

Where is #4 located?

A

Precentral gyrus of the frontal lobes

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2
Q

4 contributes the most fibers to the ___ system

A

Pyramidal

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3
Q

Functions of #4

A

Voluntary motor initiation-> distal extremities and facial and oral musculature

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4
Q

4 is the only area to contain ___

A

Giant pyramidal (Betz) cells

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5
Q

Is the cortex in #4 thin or thick?

A

Thick

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6
Q

Which lamina are located in #4?

A

V and VI

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7
Q

Where are #1-3 located?

A

Postcentral gyrus

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8
Q

Function of #1-3

A

Body sensing

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9
Q

Lamina located in #1-3

A

IV, I, VI

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10
Q

Areas 6 and 8 are called the ___

A

Premotor regions

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11
Q

Function of #6 and 8

A

Contribute fibers directly and indirectly to the pyramidal system

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12
Q

Function of #6

A

Motion of proximal extremities

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13
Q

Function of #8

A

Voluntary movements of the eyes-> CNs III, IV, VI

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14
Q

Where are #9-12 located?

A

Prefrontal cortex

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15
Q

Which lamina are located in #9-12?

A

II and III

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16
Q

Function of #9-12

A

Thought, abstract reasoning, imaginative and emotional uniqueness

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17
Q

Where is #44 located?

A

Frontal operculum

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18
Q

What is the other name for #44?

A

Broca’s speech area

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19
Q

Function of #44

A

Motor speech center-> initiates tongue, laryngeal, and pharyngeal musculature in the process of speaking, writing and signing

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20
Q

What is aphasia?

A

Loss of power to communicate through writing, speaking or signs

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21
Q

Strokes can cause ___

A

Motor aphasia

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22
Q

What is dysphasia?

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A

Partial or unusual loss of communicative ability

23
Q

T/F: communicative skills are dominant on the left side of the brain

24
Q

Where are #17-19 located?

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A

Occipital lobes

25
Where is #17 located?
Along the calcarine sulcus
26
From what does #17 receive input?
Lateral geniculate body
27
What is #17?
Primary visual cortex
28
What is #17 also called?
Striate cortex
29
What lamina is found in #17?
IV
30
What are the functions of #18 and 19?
Integrating and memory storage for visual sensations
31
A lesion in #18 or 19 does not lead to blindness, but does...
Inhibit correlating present images with past experience
32
What is prosopagnosia?
1. damage to 18 and 19 | 2. being unable to recognize faces
33
What is the macula lutea?
1. portion of the retina with the clearest vision | 2. part affected by macular degeneration
34
Lesions to the optic chiasm causes
Tunnel vision
35
Lesions to the optic nerve causes
Loss of entire eye
36
Lesions to the optic tract causes
Losing 1/2 of field of vision
37
Lesions to the lateral geniculate body causes
Losing 1/2 of field of vision L->R
38
Lesions to the optic radiation causes
Losing 1/2 of field of vision R->L
39
What is #41 called?
Primary auditory cortex
40
Where is #41 located?
Heschl's gyrus
41
Where do fibers come from in #41?
Medial geniculate body
42
What is #22 called?
Wernicke's area
43
What is the function of #22?
Hearing memory, formation of written word
44
Where does #22 receive input from?
Parietal lobe and occipital lobe
45
A lesion in #22 can lead to ___
Dysphagia
46
Where are #5, 7, 39, 40 located?
Between the somesthetic, auditory, and visual receptive regions
47
Function of #5, 7, 39, 40
Synthesizing memory and sensation into reading, writing and language
48
Lesions in #39 cause
Alexia and agraphia
49
What is the connection between #22 and #44 called?
Arcuate fasiculus
50
Function of #43
Taste
51
Interpretation of olfaction occurs in #34 in the ___
Uncus
52
Interpretation of olfaction occurs in #28 in the ___
Parahippacampal gyrus
53
Functions typically lateralized to the left
1. speech 2. tool use 3. vocabulary 4. grammar 5. linear reasoning
54
Functions typically lateralized to the right
1. spatial manipulations 2. prosodic language 3. facial expressions 4. intonation 5. singing

Neuroanatomy 1 (8 decks)

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