Speech and Language Flashcards

1
Q

4 processes of speech

A
  • Respiration
  • Phonation
  • Articulation
  • Resonation
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2
Q

5 dimensions of language

A
  • Phonology
  • Morphology
  • Syntax
  • Semantics
  • Pragmatics
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3
Q

Broca’s area

A
  • Brodmann areas 44 and 45
  • Inability to produce speech
  • Area 44: phonological processing
  • Area 45: semantic aspects of language–verbal memory
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4
Q

Wernicke’s area

A
  • Problems understanding language
  • Brodmann area 22
  • Representation of phonetic sequences
  • Subregions: responding to spoken words, responding only to words spoken by someone else, producing speech
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5
Q

Inferior parietal lobule

A
  • Composed of angular gyrus and supramarginal gyrus

- Language processing node

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6
Q

Angular gyrus

A
  • Area 39

- Semantic processing (along with posterior cingulate)

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7
Q

Supramarginal gyrus

A
  • Area 40

- Phonological and articulatory processing of words

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8
Q

Homonyms

A
  • Words with same sound but different spellings

- Activated L hemisphere posterior central sulcus and inferior frontal gyrus

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9
Q

Synonyms

A

-Activated broader regions in the inferior temporal and frontal lobes

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10
Q

Limbic vocalization circuit

A

-Limbic system cingulate projections activates PAG which allows for primitive vocalizations

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11
Q

Global aphasia

A
  • Receptive and expressive aphasia

- Widespread damage

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12
Q

Conduction aphasia

A
  • Difficulty repeating words or phrases
  • Mix up sounds in words and make transformations or omissions
  • Damage in the auditory cortex, insula, or supramarginal gyrus
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13
Q

Anomic aphasia

A
  • Have a hard time finding certain words

- Parietal lobe damage limited to angular gyrus or just above it

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14
Q

Anarthria

A

-Can’t articulate the words that would convey their thoughts

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15
Q

Alexia

A
  • Cannot read but can still write

- Damage to inferior part of left occipital and temporal lobes

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16
Q

Dyslexia

A
  • Confuse certain sounds or letters that are visually similar
  • Abnormalities in layering of cortical cells especially in left frontal and temporal cortices?
  • Same size planum temporale? (in normal patients the L is bigger than the R)
17
Q

Indirect context disorders

A
  • Hemineglect, anosognosia (unawareness of deficits)

- R hemisphere damage

18
Q

Direct context disorders

A
  • Affect communication and cognition
  • R hemisphere damage
  • Pragmatic communication disorders
  • Prosody
  • Discourse organization
  • Comprehension of non-literal language
19
Q

Wada procedure

A
  • Inactivate one hemisphere of the brain

- Can still produce rudimentary language even when L hemisphere is turned off