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SLP 623 acquired language disorders > right hemisphere disorder > Flashcards

right hemisphere disorder Flashcards

1
Q

RH functions (broadly)

A

Gestalt
Holistic
non-linear processing

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2
Q

LH functions (broadly)

A

sequential
time related
linear/serial
analytical

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3
Q

RH dominant

A 
nonlinguistic: attention
perception
extralinguistic: 
prosody 
pragmatics
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4
Q

nonlinguistic disorders associated with RHD

A 
neglect and attention
constructional apraxia/impairment
facial recognition= prosopagnosia 
anosognosia 
visual perceptual 
spatial deficits
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5
Q

4 cortical regions involved in attention

A

inferior parietal lobule
dorsolateral frontal
frontal eye fields
anterior cingulate

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6
Q

other areas involved in attention

A

thalamus- pulvinar
brain stem reticular formation
superior colliculi
inferior colliculi

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7
Q

Knudsen model of attention

A

goal of sensation is to become a percept to which attention is paid, stimuli compete for attention

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8
Q

Bottom-up models of auditory attention

A

vision based,
classification,
bayesian,
predictive

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9
Q

Top-down models of of attention

A

single-neuron,
network,
reconstruction

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10
Q

aud attention and vis neglect

A

sustained aud attention and left neglect,

if sustained aud improves, neglect is reduced

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11
Q

Neglect, opposite of attention

A

Where is it system has a RH dominant representation, stimuli do not occur in isolation,
occupy space and related in space,
must be able to perceive the stimulus in context

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12
Q

Neglect as problem of attention

A

right parietal lobe lesion, neglected space contralateral to lesion, not a result of hemianopsia,
includes visual, aud, somatosensory, space

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13
Q

anosognosia

A

denial of the problem

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14
Q

other right parietal deficits

A

constructional apraxia/impairment cannot arrange blocks to form design
topographic- cannot draw a map
“droodles”

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15
Q

proposognosia

A

inability to recognize faces,
bilateral damage inferior to calcarine at occiptal-temporal junction
RH lesion

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16
Q

treatment for neglect

A

manage environment,

avoid eye fixation tasks, dynamic stimuli, turn head and eyes, encourage exhaustive exploration of neglected space

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17
Q

visual motor programs

A

look left, cancellation tasks, cues- long red vertical line on left side of page
tactile location training,
fair success at 4 months

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18
Q

Buzzer technique

A

buzzer in left hand pocket, timed to go off every 5-20 seconds, patient must switch it off, generalization

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19
Q

spatio-motor cuing

A

use left hand, start at left, cross midline,

no starting at right side

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20
Q

localization tasks

A

stimuli only to neglected side, stimulation to that side, different spot

21
Q

language impairment in RHD

A

extralinguistic: prosody, emotion
linguistic: pragmatics, semantics, metalinguistics

22
Q

neglect alexia/hemialexia

A

ex. wine for mine, passage for message,

substitute same number of letters, comprehend the word as read,

23
Q

affect and prosody

A 
flat affect and prosody 
affective prosody- emotions 
frontal and basal ganglia 
RH responds to negative and left to happy 
production and comp impaired
24
Q

linguistic prosody

A

phrases, clauses, question types

25
Q

aprosodia treatment

A

cognitive linguistic cues

visipitch biofeedback and imitation of facial expression

26
Q

“cheerfulness” and depression RH

A

LH stroke- depression
RH too cheerful (hypermanic) or depressed
loss of identity, frustration with not being able to read, do math, work

27
Q

Function of RH

A

does: semantic representations, pragmatics, prosody

does not: phonology, syntax, morphology

28
Q

2 standardized tests

A

mini inventory of right brain injury (visual and language)

right hemisphere language battery (language)

29
Q

other assessment of RHD

A

discourse comprehension test, communicative efficiency, clausal structure (t and c unit)

30
Q

narrative/discourse

A

language larger than sentence

31
Q

dialogue

A

conversational discourse

32
Q

monologue

A

narrative (can be text or spoken)

33
Q

steps in comprehension

A

context independent- all meanings retrieved,

context dependent- narrow down/inhibit/suppress other meanings

34
Q

sentence comprehension

A

bottom-up: word frequency, imageability, concreteness, syntactic complexity
top-down: listeners personal knowledge

35
Q

linguistic structure

A

discourse segments,

linguistic utterance, discourse segment, look for boundary markers

36
Q

linguistic structure and coherence

A

interrelationships among/between sentences, phrases,
cohesion- coherence at microstructure level- overlap between one phrase/sentence and the next, coherence at macrostructure- braod

37
Q

cohesion analysis

A

look for anaphora and determiners, antecedents, evidence of ties

38
Q

anaphora

A

word that refers to earlier bit of information
can be pronouns- co-reference or determiners- instantiation
bridging

39
Q

macrostructure

A

theme of discourse, each utterance related to others, structure particular to purpose- narrative, exposition, procedure, description

40
Q

t unit

A

main clause with attachments

41
Q

p unit

A

propositional/informational unit
predicate + argument
or verb + modifiers

42
Q

efficiency

A

correct information units, wordiness, both indirectly assess form and content
percent correct information
words per minute (WPM)

43
Q

the flower pot story

A

scrambled sentences with people with aphasia and RHD

44
Q

natural conversation

A

talking time of person with aphasia
WPM reliable
certain types difficult to score- yes no, automatic, questions, repetitions, interruptions

45
Q

main linguistic problem

A

narrative and pragmatics in conversation
too literal
what is said vs what is meant
misinterpret figurative language, misinterpret humor

46
Q

figurative language

A

difficulty with indirect requests- literal is okay, figurative is not
figurative connotation, impaired denotation
humor- chose that punchline that was surprising but not funny

47
Q

narrative comprehension

A

makes inferences too early, dont revise, structure and organization sequencing sentences for a paragraph

48
Q

main theories of RH functioning

A

theory of mind,
causal inference,
attention/resource allocation/failure of inhibition,
coarse coding hypothesis

SLP 623 acquired language disorders (1 decks)

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