Damage to the motor cortex in one hemisphere results in paralysis on which side of the body?
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1%
Ipsilateral
94%
Contralateral
4%
Both sides
1%
No effect
The body represented.... In The primary motor cortex.
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6%
Normal
11%
Random
9%
No specific representation
73%
Upside down
What is the primary function of the premotor cortex?
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67%
Coordination of complex movements
27%
Control of fine motor skills
4%
Speech production
2%
Eye movement
Lesions in Brocaโs area result in:
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18%
Inability to comprehend language
77%
Inability to speak
3%
Loss of memory
2%
Loss of vision
Which lobe contains the motor areas of the brain?
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6%
Parietal
6%
Temporal
5%
Occipital
83%
Frontal
The motor cortex is located in which part of the brain?
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76%
Posterior frontal lobe
18%
Anterior parietal lobe
7%
Superior temporal lobe
0%
Inferior occipital lobe
Which area lies just anterior to the motor cortex?
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5%
Brocaโs area
10%
Frontal eye field
79%
Premotor cortex
6%
Sensory cortex
In right-handed individuals, which hemisphere contains Brocaโs area?
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84%
Left
9%
Right
3%
Both
4%
Neither
Which area is believed to store patterns of movement?
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69%
Premotor cortex
17%
Primary motor cortex
7%
Frontal eye field
7%
Brocaโs area
The motor speech area is located in which gyrus?
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15%
Precentral
7%
Postcentral
10%
Middle frontal
68%
Inferior frontal
Lesions in the primary sensory area result in:
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9%
Contralateral motor weakness
5%
Ipsilateral sensory disturbances
4%
Loss of hearing
81%
Contralateral sensory disturbances
The parietal association area is primarily involved in:
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7%
Visual processing
14%
Auditory interpretation
9%
Speech production
70%
Integration of sensory inputs
A lesion in areas 5 & 7 can result in which condition?
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7%
Receptive aphasia
77%
Asteriognosis
13%
Homonymous hemianopia
4%
Partial deafness
Which Brodmann areas make up the primary auditory area?
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78%
Areas 41 & 42
12%
Areas 22 & 42
5%
Areas 17 & 18
6%
Areas 1, 2 & 3
The medial geniculate body is connected to which sensory cortical area?
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16%
Primary visual area
18%
Primary sensory area
61%
Primary auditory area
4%
Sensory speech area
A unilateral lesion in the primary auditory area causes:
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4%
Complete deafness in both ears
8%
Complete deafness in the ipsilateral ear
5%
Loss of sound localization ability
83%
Partial deafness in both ears, more pronounced in the contralateral ear
The sensory speech area (Wernickeโs area) is found in which gyrus?
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74%
Superior temporal gyrus
13%
Inferior temporal gyrus
9%
Postcentral gyrus
4%
Cuneus
Damage to Wernickeโs area results in:
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15%
Motor aphasia
74%
Sensory aphasia
8%
Asteriognosis
3%
Hemianopia
Which Brodmann area is involved in the interpretation of sounds?
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63%
Area 22
25%
Area 41
5%
Area 17
6%
Area 7
The primary visual area (area 17) is located:
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75%
In the calcarine sulcus of the occipital lobe
10%
In the superior temporal gyrus
3%
In the postcentral gyrus
11%
On the cuneus and lingual gyrus