parietal lobe Flashcards

1
Q

this part of the parietal lobe processes somatic sensation and perception

A

anterior parietal lobe

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2
Q

this part of the lobe integrates visual/somatosensory information (mvmnt)

A

posterior parietal lobe

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3
Q

this part of the p lobe does object rotation, mental imagery and navigation

A

posterior parietal lobe

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4
Q

posterior parietal lobe is involved in which visual stream

A

dorsal

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5
Q

this area does somatosensory input and guides movement based on limb location

A

area PE

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6
Q

Area PE gives output to…

A

primary and secondary MC and area PF

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7
Q

this area receive input form area PE, MC, PMC

A

Area PF

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8
Q

this area establishes movement goals and gets fb to restructure movement

A

Area PF

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9
Q

area PG is polymodal T/F

A

True

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10
Q

this area forms complex connections in visual, skin, proprioceptive and vestibular, oculomotor and cingulate

A

Area PG

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11
Q

this area is larger in the RH

A

Area PG

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12
Q

Area PG communicates with what visual stream

A

Dorsal

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13
Q

what is responsible for non-conscious visuospatial reaching and grabbing movements

A

dorsal visual stream

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14
Q

tis dorsal pathway does movement goals and is considered the how stream

A

parieto-premotor pathway

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15
Q

this dorsal pathway does visuospatial function (working memory)

A

parietal-prefrotal pathway

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16
Q

this dorsal pathway does spatial navigation and remembers where things are

A

Parieto-medial temporal pathway

17
Q

the posterior parietal lobe is more movement oriented than the anterior part

A

true

18
Q

a patient with high sensory thresholds who presents stereogenisis deficits may have a lesion where

A

postcentral gyrus

19
Q

postcentral gyrus lesion patients may present its what symptom in their limbs

A

clumsy finger movement due to lack of feedback

20
Q

unawareness or denial of sickness

A

anosognosia

21
Q

indifference to illness

A

anosodiaphoria

22
Q

absence of normal reaction to pain

A

asymbolia

23
Q

inability to localize or name a body part

A

autopagnosia

24
Q

loose sense of ones own body typically the left side

A

asomatognsia

25
Q

Apraxia is typically caused by damage to ____ resulting in loss of skilled movement

A

parietoprefrontal cortex

26
Q

a subject presents and can button his shirt but is unable to reach and grab a glass infant of him

A

optic apraxia

27
Q

this person struggles with spatial organization, and when making a sandwich might put the bread in the middle

A

constructional apraxia

28
Q

person is unable to feel a poke but could report where it was

A

numb touch /blind touch

29
Q

numb touch effects which areas of the parietal cortex

A

PE/PF and some PG

30
Q

two stimuli are presented this person neglects to feel one of them

A

stimulus extinction

31
Q

stimulus extinction is cased by damage to which areas of the parietal lobe

A

PE and PF

32
Q

inability to recognize an object by touch

A

astereognosis

33
Q

lesions to this area of the brain cause contralateral neglect

A

RH –> right intraparietal sulcus and area PG

34
Q

this person doesn’t respond to visual, auditory, or somesthetic input of the LEFT side of their body

A

contralateral neglect

35
Q

two deficits that may cause neglect

A
  1. defective sensation/perception

2. defective attention/orientation

36
Q

if someone have neglect due to sensation/perception defects where might their brain damage be

A

lesion to PG in the RH

37
Q

if someone have neglect due to attention/orientation defects where might their brain damage be

A

frontal lobe

38
Q

patient presents and is unable to fixate on visual stimulus and gazes sightly to the right this person may have ___ with damage to ____

A

Balints syndrome, bilateral parietal lesion

39
Q

patient can only attend to one object at a time and fails to see others while attending to the one

A

stimulagnosia