Lecture 15 - Perception and dyslexia Flashcards

1
Q

which pathway, p or m, detects colour, low contrast and has a higher spatial resolution?

A

p

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2
Q

which pathway, p or m, detects monochrome, high contrast and has a lower spatial resolution?

A

m

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3
Q

which pathway are parasol cells part of?

A

parvocellular

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4
Q

which pathway are midget cells part of?

A

magnocellular

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5
Q

which cortex is critical for recognising shape of objects both in vision and touch?

A

lateral occipital cortex

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6
Q

the dorsal stream is the …… pathway and the ventral is the …… pathway

A

where, what

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7
Q

the parvo and magnocellular pathways go to which cortex in the brain?

A

occipital (v4)

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8
Q

what are the 2 brain areas involved in recognition?

A

fusiform face area, parahippocampal place area

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9
Q

apperceptive agnosia is a failure to percieve what?

A

object

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10
Q

integrative agnosia describes a failure to integrate what?

A

parts of an object

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11
Q

associative agnosia is the inability to access what?

A

conceptual knowledge about an object

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12
Q

prosopagnosia is the inability to recognise what?

A

faces

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13
Q

phonagnosia is the inabillity to recognise what?

A

familiar voices

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14
Q

in dyslexic people there may be symmetric processing of visual info by which two areas of the eye?

A

fovea and retina

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15
Q

in people with dyslexia what 2 things can be abnormal about the myelination around their neurons?

A

could be hyper or hypomyelinated - no smooth delivery of info

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16
Q

myelination is important for which cognitive and motor skills?

A

language comprehension, speech acquisition, crawling and walking

17
Q

name 3 neurological disorders related to demyelination

A

MS, schizophrenia and leucodystrophy

18
Q
A