cerebral cortex Flashcards

association cortex: list the functions of the association cortex in each cortical lobe, explain the types of deficits caused by lesions there, and compare the attributes of the primary and association cortex (16 cards)

1
Q

function of visual association cortex in occipital lobe

A

analyses different attributes of visual image in different places

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2
Q

what is analysed along ventral pathway of visual association cortex in occipital lobe

A

form and colour (what)

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3
Q

what is analysed along dorsal pathway of visual association cortex in occipital lobe

A

spatial relationships and movement (where)

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4
Q

what do lesions in occipital lobe affect, using prosopagnosia as example

A

specific aspects of visual perception; lesion of visual posterior association area (fusiform gyrus), losing ability to recognise familiar faces or learn new faces

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5
Q

function of posterior patietal association cortex

A

creates spatial map of body in surroundings, from multi-modality information

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6
Q

what might injuries in parietal lobe cause, including effect of Alzheimer’s disease

A

disorientation, inability to read map or understand spatial relationships, apraxia, hemispatial neglect (if stroke in area, so don’t see one side of image); Alzheimer’s disease progresses through cortex, and when it hits parietal cortex, disorientation occurs

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7
Q

function of temporal lobe

A

language, object recognition, memory (hippocampus basis for new memory formation), emotion

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8
Q

what might injuries in temporal lobe lead to, including what is done to attempt to cure epilepsy

A

agnosia, receptive aphasia, anterograde amnesia (can’t lay down new memories); bilateral resection of anterior medial temporal lobe structures to try to cure epilepsy

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9
Q

function of frontal lobe

A

judgement, foresight, personality, appreciation of self in relation to world

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10
Q

what might injuries in frontal lobe lead to

A

deficits in planning, inappropriate behaviour (self-control is hugely impaired), disorganised behaviour, diminished attention span and concentration

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11
Q

3 features of association cortices (symmetry, organisation, function)

A

less predictable function, not organised topographically, left-right symmetry weak or absent

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12
Q

functions of prefrontal association cortex

A

behaviour, personality changes

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13
Q

function of motor association area

A

planning

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14
Q

function of sensory association area

A

different modalities

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15
Q

what is primary visual cortex surrounded by

A

visual association area

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16
Q

what is visual association area associated with as well

A

primary auditory cortex