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Neurophys 3 exam 1 > Association areas > Flashcards

Association areas Flashcards

1
Q

What is the function of association areas?

A

Intergrate or associate information from diverse sources

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2
Q

T/F Association areas are a small percentage of the human cortex

A

False; they are a large percent

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3
Q

T/F Association areas have a high level in the heirarchy

A

True

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4
Q

Lesions in the association areas have ____ and ____ qualities

A

Subtle and unpredictable

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5
Q

The limbic association area deals with what?

A

Behavior
Emotions
Motivation

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6
Q

Cells in which cortex are hyperactive in OCD?

A

Orbital frontal cortex

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7
Q

Orbital frontal cortex cells fire strongly when ______

A

Expectation is not met

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8
Q

What area processes emotion?

A

Ventral medial frontal area

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9
Q

What area is responsible for word formation?

A

Broca’s area

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10
Q

What functions as an error detector and alerts you when something is amiss?

A

Orbital frontal cortex

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11
Q

Prefrontal association areas function in what?

A

Prolonged thought processes/elaboration of thought
Behavior
Working memory

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12
Q

What is the area for language comprehension (reading)?

A

Parieto-occipitotemporal association area

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13
Q

Auditory, visual, somatic all feed into this area

A

Wernicke’s area

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14
Q

Just behind Wernicke’s is the ____ gyrus, which is responsible for ____

A

Angular gyrus; higher order visual signal processing

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15
Q

What association area is the area for naming objects?

A

Parieto-occipitotemporal association area

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16
Q

Parieto-occipitotemporal association area is responsible for analysis of what?

A

Analysis of spatial coordinates of the body

17
Q

Analysis of spatial coordinates is associated with what syndrome?

A

Neglect syndrome

18
Q

A prefrontal lobotomy is a surgical disconnect between what?

A

Prefrontal areas from the rest of the brain

19
Q

Prefrontal lobotomies were used relieve what?

A

Severe psychotic depression

20
Q

T/F Prefrontal lobotomies cause increased levels of aggressiveness

A

False; decreased aggressiveness

21
Q

T/F Patients with prefrontal lobotomies lost the ability to solve complex problems

A

True

22
Q

T/F Patients with prefrontal lobotomies are still able to string together sequential tasks and perform several parallel tasks at the same time

A

False. They cannot string together sequential tasks or perfrom parallel tasks

23
Q

T/F Prefrontal lobotomies have no impact on social responses

A

False; cause inappropriate social responses

24
Q

T/F A consequence of a prefontal lobotomy is a loss of ambition and morals

A

True

25
Q

After a prefrontal lobotomy, the patient can still carry through long chains of thought

A

False

26
Q

Emotional significance is gaged after identification of an object and projections form between what?

A

Projections from the fusiform gyrus and amygdala

27
Q

If the projections between the fusiform gyrus and amygdala are damaged, what syndrome arises?

A

Capgras syndrome

28
Q

What is the main characteristic of Capgras syndrome?

A

The subject thinks close relatives are imposters due to lack of emotion evoked by visually seeing them

29
Q

Capgras syndrome only occurs when the subject _____ relatives

A

Visualizes

30
Q

What is the best known form of specific language impairment?

A

Dyslexia

31
Q

What percentage of the U.S. population has dyslexia?

A

5-17%

32
Q

Dyslexia was originally thought to be a defect in ___ processing associated with the _____

A

visual; angular cortex

33
Q

Dylexia may involve the ____ cortex’s inability to process certain speech sounds

A

Auditory

34
Q

What computer program has been used with dyslexic patients?

A

Fast ForWard

Neurophys 3 exam 1 (5 decks)

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