Right Hemisphere disorders Flashcards by Laura Fuller

% of the population = left hemisphere dominant for language

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Right hemisphere language lateralized individuals are typically

either left-handed or ambidextrous

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In adults, both the LH (left hemisphere) and RH (right) are specialized for specific tasks

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some things your left hemisphere can do that your right can’t

speak

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One way to study differences between left and right hemisphere

split brain patients

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, the left hemisphere deals with _____ and _______, as well as the linguistic domain

details

specifics

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right hemisphere deals with the “big picture” and the _______-_____ domain

visuo-spatial

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LHD will show lack of _____

details

local deficits

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RHD does not have _____ processing in tack

global

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what is in tack with RHD?

local processing

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Why isn’t RHD a large focus in speech & hearing?

Many of the symptoms/deficits seem subtler than LHD

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Historically, non-dominant hemisphere strokes were not referred to slp clinics

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RHD is not a large focus in speech and hearing because the primary disorders are related to nonverbal cognitive systems (other deficits) t/f

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RHD patients Don’t display word-finding and grammatical deficits associated with aphasia

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Many of the RHD deficits are ______ in nature.

linguistic

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What are some typical behavioral problems found with RHD patients:

voice quality- flat, uninflected
abrupt topic changes
tangential off-topic comments
disinhibited
Anosagnosia (problem recognizing visual objects)
unkempt
visuo-spatial neglect
humor- flat—if laugh at all- flat affect in laugh and w/o prosody
literalness- idioms and metaphors
miss the thrust of a conversation (general idea of conversation)

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What are the 6 problem areas in RHD?

visuospatial
attentional
auditory
social/emotional
theory of mind
discourse

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Attentional deficits are not sensory deficits t/f

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attentional deficits are problems with ______ and ______ sensory information.

processing

accessing

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Agnosia

means “lack of knowledge” of a certain thing (it could be objects, faces, words, etc.).

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Anosoagnosia is a lack of

self-awareness of a disease, condition, etc.

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Proprioception

the sense of the relative position of neighboring parts of the body

Attentional Deficit:Left Neglect

Patients with this symptom do not process stimuli in their left visual field

is Attentional Deficit: Left Neglect a visual problem?

Attentional Deficits has information is coming in, but they cannot access it directly t/f

Visuospatial Deficits include what 3 things?

Topographic disorientation Constructional apraxia Prosopagnosia

Topographic Disorientation

A failure to orient to the immediate environment

_________ disorientation experience “false memories” of two similar locations when only one exists in reality

Visuospatial

Constructional Apraxia

An impairment of visuospatial motor functions | (May be related to a general global/local deficit)

Prosopagnosia

Difficulty in recognizing faces | May confuse people with everyday objects

What is the direct linguistic impact of these visuospatial deficits?

reading writing spelling day-to-day conversation

what are 2 Auditory Deficits?

amusia | phonagnosia

Amusia

music agnosia – difficulty in recognizing (familiar) melodies without lyrics

Phonagnosia

problems in recognizing people’s voices, or in deciding whether two voices are the same or different

what are 3 Social & Emotional Deficits

Aprosodia Emotional agnosia Pragmatics

Aprosodia:

Specifically emotional prosody

Comprehension of an upward inflection to ask a question is fine but.... Comprehension of an upward inflection to indicate happiness is impaired

aprosodia

this type of social and emotional deficit may have flat affect in speech

aprosodia

prosody

definition: melodic line of speech that conveys information

conveys information about affective (speakers emotional state) as well as linguistic properties (statement or question) of language.

prosody

prosodic contour is characterized by 3 things

1. pitch (frequency) 2. loudness (amplitude) 3. timing (duration)

prosody deficits may affect RHD patients, how?

cannot read a neutral sentence with happy, sad, angry, ect. intonation

prosody deficits for patients with frontal RH damage have...

expressive aprosodia

prosody deficits for patients with posterior damage will have

receptive aprosodia

Emotional agnosia: 2 types

Hypoarousal/hyporesponsiveness

show less reaction than expected to emotional and disturbing pictures and also have difficulty with recognizing the emotional content of faces, words and sentences

Individuals with RHD tell inappropriate stories/jokes, intrude on personal space, go off on tangents and are overly-talkative. This is an example of Social & Emotional Deficits , specifically ....

pragmatics

Theory of Mind:

the ability to understand that others have beliefs, desires and intentions that are different from one's own

Theory of Mind Deficits includes trouble with what three areas?

intention inference humor

RHD patients often have a problem with understanding speaker ________. Especially true for ___-____ language

meaning | non-literal

trouble inferring information that is not overtly available | is an example of

Theory of Mind Deficits: Inference

what is one theory of discourse deficits?

RH’s role in language is to develop and maintain “alternative” or “secondary” interpretations during language comprehension

Discourse Deficits, include:

metaphors idioms jokes RHD patients have trouble pulling out the main theme of a paragraph