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biological psychology > frontal and parietal lobes > Flashcards

frontal and parietal lobes Flashcards

1
Q

what is the central sulcus

A

boundary from parietal lobe with frontal lobe

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2
Q

what is the parieto-occipital fissure

A

boundary between parietal and occipital

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3
Q

what is macro-anatomical

A
  • means based on sulci and gyri
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4
Q

what is the lateral sulcus/sylvian fissure

A
  • boundary between parietal and temporal lobe
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5
Q

what are the subdivisions of the posterior parietal lobe

A
  • superior parietal lobule
  • intraparietal sulcus
  • inferior parietal lobule
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6
Q

what are the major functional subdivisions of the posterior parietal cortex

A
  • intraparietal sulcus and superior parietal lobule
  • right inferior parietal lobule
  • left anterior parietal lobule
  • left posterior inferior parietal lobe
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7
Q

what is the main role of the primary somatosensory cortex

A
  • processing information about body sensations
  • touch
  • pain
  • proprioception - map of various body part locations
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8
Q

what are the four subdivisions of the primary somatosensory cortex

A
  • 1
  • 2
  • 3a
  • 3b
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9
Q

what is the input of the primary somatosensory cortex

A
  • mainly from the thalamus and motor cortex
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10
Q

what is the output of the primary somatosensory cortex

A
  • mainly to motor cortex and posterior parietal cortex
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11
Q

what did penfield and boldrey do to create the somatopic map

A
  • inserted electrodes in the somatosensory cortex of epileptic patients just before operating on them
  • he stimulated different parts of the somatosensory cortex and recorded the sensation reported by the patients
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12
Q

what is the intraparietal sulcus and superior parietal lobule

A
  • vision for action - dorsal visual stream
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13
Q

what can bilateral lesions in the intraparietal sulcus and superior parietal lobule cause

A
  • optic ataxia
  • oculomotor
  • simultanagnosia
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14
Q

what is optic ataxia

A
  • deficit in visually guided reaching movements
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15
Q

what is oculomotor apraxia

A

inappropriate fixation of gaze and difficulties in voluntary shifting fixation to other objects

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16
Q

what is simultanagnosia

A
  • impaired ability to perceive multiple items of visual display
17
Q

what does the right inferior parietal lobe do

A
  • detect salient events in the environment; shift attention

biological psychology (7 decks)

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