Language Flashcards

1
Q

Phonemes

A

basic speech sounds

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2
Q

Semantics

A

meanings of words or sentences

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3
Q

Syntax

A

grammatical rules for constructing phrases and sentences

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4
Q

Language development depends on experience during a _____ (the first few years).

A

sensitive period

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5
Q

Paraphasia

A

substitution for a word by an incorrect, unintended word
“The Lord is a shoving leopard “
“The light at end of the candle”

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6
Q

Neologism

A

an entirely novel word

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7
Q

Dysphasia

A

any language disorder

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8
Q

Dysarthria

A

inability to speak clearly

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9
Q

Dyspraxia

A

inability to sequence a complex motor act

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10
Q

Dysgraphia

A

inability to write

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11
Q

Dyslexia

A

inability to read

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12
Q

Wernicke-Geschwind model

A

disconnection theory: language impairment from loss of connections among brain regions

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13
Q

Nonfluent (Broca’s) aphasia

A

difficulty producing speech, but comprehension is good

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14
Q

anomia

A

inability to name persons or objects

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15
Q

Fluent (Wernicke’s) aphasia

A

complex verbal output with many paraphasias
(word salad)
(Patients cannot understand what they read or hear)

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16
Q

Global aphasia

A

total inability to understand or produce language
(Global aphasia = Broca’s + Wernicke’s)
(large left-hemisphere lesions, affecting all speech zones)

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17
Q

Conduction aphasia

A

impaired repetition of words

result from lesions of Arcuate fasciculus

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18
Q

Arcuate fasciculus

A

axons connecting Wernicke’s area to Broca’s area

19
Q

Naming a seen object requires transfer of visual information to the _____.

A

angular gyrus
(Lesions disconnect visual and auditory systems)
(Patients can speak and understand, but can’t read aloud)

20
Q

Alexia

A

inability to see words or to read

21
Q

Agraphia

A

inability to write or to express thoughts in writing

22
Q

angular gyrus

A

connects the visual projection area with the auditory and visual association areas

23
Q

_____ for aphasia uses the fact that singing often is intact after a left hemisphere stroke.

A

Melodic intonation therapy

24
Q

_____ may be critical to the development of language.

A

Mirror neurons

25
Language acquisition is more difficult in adulthood, reflecting _____.
diminished plasticity
26
_____ is a disorder of both visual and auditory processing.
Dyslexia
27
Surface dyslexia
errors in reading restricted to the details and sounds of letters (pretty (‘pritty’) read as: ‘pretty’)
28
Deep dyslexia
errors in reading one word as another, related in meaning extensive damage to left-hemisphere language areas ('county' read as 'nation')
29
Dyslexics show distortions among cells in the _____.
cerebral cortex
30
Micropolygyria
excessive cortical folding
31
Ectopias
clusters of extra cells
32
_____ presents different sounds to each ear at different or the same time.
Dichotic listening
33
Primary Cortex
First cortical area processing sensory input or motor output
34
Association Cortex
Multi-modal cortex (most of cortex)
35
Composition of frontal lobe
1) Motor cortex (blue) 2) Premotor cortex (green) 3) Prefrontal cortex (purple) dorsolateral orbitofrontal
36
Dorsolateral damage results in _____, _____, and _____.
poor judgment poor motor programming problems poor self-care
37
Orbitofrontal damage results in _____, _____, and _____.
environmental dependence poor social insight emotional lability
38
Parietal lobe injuries produce _____.
diverse impairments | position abuts all three other major lobes
39
Astereognosis
inability to recognize objects by touching and feeling them | mostly right hemisphere
40
Damage to the right _____ results in neglect of left side of the body and of space. (Hemispatial Neglect)
parietal lobe
41
Prosopagnosia
people fail to recognize familiar faces, even their own
42
Bilateral damage to _____ causes complete prosopagnosia. | may be accompanied by other forms of agnosia
fusiform gyrus
43
The _____ hemisphere is dominant for language.
left