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Neuroanatomy 1 > Brodmann Areas quiz > Flashcards

Brodmann Areas quiz Flashcards

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?

A

Partial or unusual loss of communicative ability

23
Q

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

A

True

24
Q

Where are #17-19 located?

A

Occipital lobes

25
Q

Where is #17 located?

A

Along the calcarine sulcus

26
Q

From what does #17 receive input?

A

Lateral geniculate body

27
Q

What is #17?

A

Primary visual cortex

28
Q

What is #17 also called?

A

Striate cortex

29
Q

What lamina is found in #17?

A

IV

30
Q

What are the functions of #18 and 19?

A

Integrating and memory storage for visual sensations

31
Q

A lesion in #18 or 19 does not lead to blindness, but does…

A

Inhibit correlating present images with past experience

32
Q

What is prosopagnosia?

A
  1. damage to 18 and 19

2. being unable to recognize faces

33
Q

What is the macula lutea?

A
  1. portion of the retina with the clearest vision

2. part affected by macular degeneration

34
Q

Lesions to the optic chiasm causes

A

Tunnel vision

35
Q

Lesions to the optic nerve causes

A

Loss of entire eye

36
Q

Lesions to the optic tract causes

A

Losing 1/2 of field of vision

37
Q

Lesions to the lateral geniculate body causes

A

Losing 1/2 of field of vision L->R

38
Q

Lesions to the optic radiation causes

A

Losing 1/2 of field of vision R->L

39
Q

What is #41 called?

A

Primary auditory cortex

40
Q

Where is #41 located?

A

Heschl’s gyrus

41
Q

Where do fibers come from in #41?

A

Medial geniculate body

42
Q

What is #22 called?

A

Wernicke’s area

43
Q

What is the function of #22?

A

Hearing memory, formation of written word

44
Q

Where does #22 receive input from?

A

Parietal lobe and occipital lobe

45
Q

A lesion in #22 can lead to ___

A

Dysphagia

46
Q

Where are #5, 7, 39, 40 located?

A

Between the somesthetic, auditory, and visual receptive regions

47
Q

Function of #5, 7, 39, 40

A

Synthesizing memory and sensation into reading, writing and language

48
Q

Lesions in #39 cause

A

Alexia and agraphia

49
Q

What is the connection between #22 and #44 called?

A

Arcuate fasiculus

50
Q

Function of #43

A

Taste

51
Q

Interpretation of olfaction occurs in #34 in the ___

A

Uncus

52
Q

Interpretation of olfaction occurs in #28 in the ___

A

Parahippacampal gyrus

53
Q

Functions typically lateralized to the left

A
  1. speech
  2. tool use
  3. vocabulary
  4. grammar
  5. linear reasoning
54
Q

Functions typically lateralized to the right

A
  1. spatial manipulations
  2. prosodic language
  3. facial expressions
  4. intonation
  5. singing

Neuroanatomy 1 (8 decks)

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