Disorders of Language Flashcards

1
Q

what is aphasia?

A

disturbance in language as a results of brain damage

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2
Q

language versus speech

A

language produced via:

  1. speech
  2. writing
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3
Q

3 causes of aphasia:

A
  1. acute:stroke
  2. insidious: dementia
  3. paroxysmal: seizures/migraines
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4
Q

Paul Broca started the move towards?

A

lateralization

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5
Q

% of ppl who are left lateralized?

A

95% right handers

70% left handers

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6
Q

does right hemisphere have any role in language?

A

Yes.
Prosody
paralinguistic aspects

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7
Q

2 divisions of MCA?

A

superior

inferior

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8
Q

inferior MCA supplies?

A
  1. temporoparietal cortex

2. visual tracts

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9
Q

superior MCA supplies?

A
  1. sensorimotor cortex

2. ventrolateral prefrontal cortex

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10
Q

2 parts of language system is?

A
  1. production

2. selection

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11
Q

Non fluent aphasia is problem with? what kind of lesion?

A

anterior lesion:

prob with production/grammar/structure

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12
Q

Broca’s aphasia called?

A

non-fluent aphasia

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13
Q

Wernicke’s aphasia called?

A

fluent aphasia

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14
Q

fluent aphasia is impaired where? with what?

A

posterior lesion

impaired selection of content

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15
Q

2 areas of in Broca important in language: Pars…

A
  1. pars triangularis

2. pars opercularis

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16
Q

2 gyri that have temporoparietal assication neocortex with Wernicke’s area?

A
  1. supramarginal gyrus

2. anglar gyrus

17
Q

what is the arcuate fasciculus tract for?

A

link Wernicke’s to premotor and Broca’s

18
Q

Wernicke’s aphasia language output include what 2 things?

A
  1. neologisms

2. paraphasic errors

19
Q

Wernicke’s aphasia motor and comprehension is?

A

no motor impairment

impaired comprehension

20
Q

what happens if you get Wernicke’s aphasia affecting visual tracts?

A

could have right quadrantanopsia

21
Q

Broca’s Aphasia: describe

A

Non-fuent

highly effortful speech

22
Q

Broca’s Aphasia comprehension and muscles?

A

preserved comprehension

right face and arm weakness

23
Q

What is conduction aphasia?

A

fluent aphasia better thn Wernicke’s

poor repetition of words

24
Q

what is transcortical motor aphasia?

A

non-fluent
repetition is preserved
muteness if severe.

25
2 big mechanisms of recovery:
1. contralateral transfer | 2. ipsilateral re-organization
26
examples of contralateral transfer?
young age: 1. stroke 2. hemispherectomy
27
examples of ipsilateral reorganization? when?
adults 1. stroke 2. focal developmental anomaly
28
which is better long term recovery? reorganization ipsilateral? or contralateral?
both is best
29
Uvula towards or away from lesion?
away from lesion
30
sticking out tongue: is weak side towards or away from lesion?
towards lesion