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Vision Science I > 23 Cortical Function, Parietal & Occipital Lobes > Flashcards

23 Cortical Function, Parietal & Occipital Lobes Flashcards

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1
Q

Slide 32: For patients with RH (Right Hemisphere) Parietal lobe damage, invalid cues will disengage the attention and fail the spatial attention test. T/F

A

True

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2
Q

Slide 33: Disorders with symbolic thought and memory is often involved with math skills, drawing skills, and word retrieval skills. T/F

A

True

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3
Q

Slide 33: What is the name of complex visual disorder that is related with damage in Thalamic projection and arcuate tract in Parietal lobe?

A

Visual imaginary or Out-of-body disorder

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4
Q

Slide 3: According to localization models of cortical function, a _______lesion should cause a ______dysfunction.

A

discrete; discrete

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5
Q

Slide 4: Wernicke’s and Broca’s areas are part of the _______ network within the cortex.Language, face and object, executive, or memory and emotion

A

Language

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6
Q

Slide 5: Which of the cortical network centers are used and involved with language?Hearing, seeing, speaking or thinking about words?

A

All of these areas are used for language

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7
Q

Slide 7: Match model of cortical function with the theory:(1) Associative processing(2) Holistic processing(3) Localized function(A) Lesion ==> loose that function(B) Lesion ==> don’t lose function entirely; lose it partially because other parts of the brain network help pick-up slack and retain that function(C) Lesion ==> can significantly impair function but it depends particularly on where the lesion occurred

A

(1) = (C)(2) = (B)(3) = (A)

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8
Q

Slide 9: Brodmann’s numbers are functionally extremely useful. This is because ______ defines ______.

A

Structure; function

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9
Q

Slide 10: _______ can cause simple visual hallucinations where patients will report seeing forms and colors in sections of visual field that have been damaged or lost.

A

Phosphenes

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10
Q

Slide 34: What is this complex visual disorder that is related with damage in Thalamic projection and arcuate tract?

A

Visual imaginary or Out-of-body disorder

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11
Q

Slide 33: Acalculia, Alexia, Agraphia, and Aphasia disorders resulted from which part of the brain damage?a. Temporalb. Occipitalc. Parietald. Frontal

A

c. Parietal

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12
Q

Slide 35: What would be the best description of the symptom of Balint’s Syndrome?a. Once attention is fixated, can not disengage b. Left and right confusionc. Loss of skilled movementd. Object Agnosia - inability to recognize the object

A

a. Once attention is fixated, can not disengage.

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13
Q

Slide 36: Gerstmann’s syndrome can occur both developmentally and congenitally. T/F

A

True

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14
Q

Slide 36: Gerstmann’s syndrome is resulted by damage on which Brodmann’s area in parietal lobe?a. 38b. 39c. 40d. 7

A

b. 39

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15
Q

Slide 37: Which of the following is NOT the neurodevelopmental disorder?a. Apraxiab. Dyslexiac. Dyscalculia

A

a. Apraxia

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16
Q

Slide 35: Balint’s syndrome is caused by a. Left hemisphere parietal stroke in BA 39.b. Disruption of parieto-frontal control of movementc. Changes in Somatosensory thresholdsd. Bilateral parietal lesion

A

d. bilateral parietal lesion

17
Q

Slide 21: True or False Cells respond weakly to stationary objects but are activated by movement or attention to the object.

A

True

18
Q

Slide 21: True or FalseOnly some cells are responsive to eye movements.

A

False

19
Q

Slide 23: Which of the following is not a disorder of somatosensory & tactile function?a. Aesthesiab. Astereognosisc. Atopaesthesiad. Apraxia

A

d. Apraxia

20
Q

Slide 24: _____________ is a neurological disorder which occurs following damage to the parietal lobe of the brain. It has the characteristic symptom of difficulty to perceive contralesional stimuli when presented simultaneously with an ipsilesional stimulus, but the ability to correctly identify them when not presented simultaneously.

A

Simultaneous extinction

21
Q

Slide 24: Disorder associates with shape perception is _____________.

A

Astereognosis

22
Q

Slide 25: Damage to which part of the tract often result in the disorders of motility? a. ILFb. IFOFc. SLF

A

c. SLF

23
Q

Slide 26: Which is NOT a characteristic of Apraxia?a. Loss of skilled movementb. Unable to copy movements or gesturesc. Unable to do constructional drawingd. Disruption of parieto-frontal control of movement.e. Difficulty of reading maps

A

e. Difficulty of reading maps

24
Q

Slide 27: Difficulty in ____________ skill is greater after right hemisphere damage and is a hard task to evaluate due to the complexity of skills involved.

A

Drawing

25
Q

Slide 28: What is the disorder of spatial attention caused by damage to the anterior segment of arcuate tract and the SLF?

A

Neglect

26
Q

Slide 29: Which part of the parietal is important to create mental image for spatial cognition?a. Left Hemisphereb. Right Hemisphere

A

a. Left Hemisphere

27
Q

Slide 30: A perceptual disorder subsequent to right parietal lesions was described by John Hughlings-Jackson in 1874 is known as ___________.

A

Contralateral Neglect

28
Q

Slide 11: True or False Dorsal visual system deals with what the object is and being able to identify it.

A

False; it deals with where the object is located in the visual field

29
Q

Slide 11: In this dorsal visual system disorder the patient see’s the world without any motion. a. akinetopsia b. optic ataxiac. alloesthesia

A

a. akientopsia

30
Q

Slide 12: True of FalseDamage to the Inferior longitudinal fasciculus can cause achromatopsia, prosopagnosia, object agnosia or alexia.

A

True

31
Q

Slide 13:____________causes cortical blindness due to extensive occipital lesions. It causes spontaneous visual imagery, false memories and false reports of visual perceptions due to the disconnection between cortex and body schemes represented in the parietal lobe.

A

Anton’s syndrome

32
Q

slide 20: In the diffusion tensor image on the right on slide 20 which color represents fiber tracts that go Left to Right? a. blueb. greenc. red

A

c. red

33
Q

Slide 12: True or False Ventral Visual system identifies where the where the objects in the visual field.

A

False; it identifies what the object is.

34
Q

slide 13: True or False Object Agnosia is when unfamiliar people seem familiar.

A

False; Fregoli syndromse

35
Q

slide 11: True or False Dorsal visual stream is being fed into parietal lobe that is being conducted through the cingulum

A

True

36
Q

slide 14: True or False In congential prosopagnosia, everything structurally is fine but the fiber tracts are compromised.

A

True

37
Q

Slide 20: Are the fibers in the internal capsule myelinated or unmyelinated?

A

Myelinated

Vision Science I (26 decks)

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