Disorders of Language Flashcards

1
Q

what is aphasia?

A

disturbance in language as a results of brain damage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

language versus speech

A

language produced via:

  1. speech
  2. writing
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

3 causes of aphasia:

A
  1. acute:stroke
  2. insidious: dementia
  3. paroxysmal: seizures/migraines
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Paul Broca started the move towards?

A

lateralization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

% of ppl who are left lateralized?

A

95% right handers

70% left handers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

does right hemisphere have any role in language?

A

Yes.
Prosody
paralinguistic aspects

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

2 divisions of MCA?

A

superior

inferior

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

inferior MCA supplies?

A
  1. temporoparietal cortex

2. visual tracts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

superior MCA supplies?

A
  1. sensorimotor cortex

2. ventrolateral prefrontal cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

2 parts of language system is?

A
  1. production

2. selection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

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

A

anterior lesion:

prob with production/grammar/structure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Broca’s aphasia called?

A

non-fluent aphasia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Wernicke’s aphasia called?

A

fluent aphasia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

fluent aphasia is impaired where? with what?

A

posterior lesion

impaired selection of content

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

2 areas of in Broca important in language: Pars…

A
  1. pars triangularis

2. pars opercularis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
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
Q

2 big mechanisms of recovery:

A
  1. contralateral transfer

2. ipsilateral re-organization

26
Q

examples of contralateral transfer?

A

young age:

  1. stroke
  2. hemispherectomy
27
Q

examples of ipsilateral reorganization? when?

A

adults

  1. stroke
  2. focal developmental anomaly
28
Q

which is better long term recovery? reorganization ipsilateral? or contralateral?

A

both is best

29
Q

Uvula towards or away from lesion?

A

away from lesion

30
Q

sticking out tongue: is weak side towards or away from lesion?

A

towards lesion