Communication Supports for Persons ithPersons with · PDF fileCommunication Supports for...
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CommunicationCommunication Supports for Persons ithPersons with Dementia
Melanie Fried-Oken, Ph.D., CCC/SpOregon Health & Science Universityg yDirector, Assistive Technology Associate Professor, Neurology, Biomedical Engineering & ENT
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REKNEW-AD team:(Reclaiming Expressive Knowledge in Elders with Alzheimer’s Disease)
Fried-Oken, Ph.D
Charity Rowland, Ph.D., co-P.I.Gl B k R h C di tGlory Baker, Research CoordinatorJeon Small, ABD, Research AssociateBarry Oken, M.D., NeurologistDarlene Shultz, Research AssistantCarolyn Mills, Research AssistantJanice Staehely, Research Assistant
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Goals for today’s presentation
• Gain familiarity with AAC (augmentative and alternative communication);
• Understand the issues around AAC and dementia;
• Learn about current research being conducted on AAC and adults withconducted on AAC and adults with moderate Alzheimer’s disease.
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What is AAC?
A t ti d Alt tiAugmentative and Alternative Communication refers to any ystrategy, technique or tool that enhances replaces augmentsenhances, replaces, augments or supplements an individual’s
communication capabilities.
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Augmentative Communication Approaches
• Paper and pencil• Communication• Speech
• Vocalization
• Communication books
• Communication• Gestures• Eye gaze
• Communication boards and cards
• Talking toys• Body language• Sign language
• Talking toys• Speaking computers• Talking typewriters• Talking typewriters• Voice output
communication aidscommunication aids
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Who is an AAC User?
A h i ti i d lAnyone whose communication is adversely affected by an impairment in speech,
language cognition and/orlanguage, cognition, and/or physical abilities.
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Communication impairments leading to AAC use
• Physical impairmentsPhysical impairments– ALS (Lou Gehrig’s Disease)
Cerebral Palsy– Cerebral Palsy– Spinal Cord Injury
Parkinson’s Disease– Parkinson’s Disease– Multiple Sclerosis
C• Cognitive impairments– Traumatic brain injury– Mental retardation
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• Language Impairment– Aphasia from a stroke– Autism
• Sensory Impairmenty p– Blindness– DeafnessDeafness
Fried-Oken, Ph D
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AAC User Profiles
• The father with ALS who chooses to use a ventilator and be part of his family as his girls grow up.
• The person with ALS who chooses to work from home.
• The woman with Parkinson’s Disease in aThe woman with Parkinson s Disease in a nursing home near her grandkids.
Fried-Oken, Ph D
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Th ith h i t h ith hi• The man with aphasia at home with his elderly wife.Th ith l d h d• The young man with a closed head injury at a SNF.Th d ht ith f t i• The daughter with a fast growing glioblastoma.Th h ith li t• The preacher with olivo-ponto-cerebellar degeneration (OPCD).
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Individuals with dementiaIndividuals with dementia,traditionally, have not been listed as a clinical group that has benefited gfrom AAC.
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Premise of pairing AAC and dementia
• Pairing the external aid with familiar and spared skills (such as page turning, reading aloud) should maximize a person’s opportunity forshould maximize a person s opportunity for success.
• These skills are based on intact procedural memorymemory.
• The stimuli are relevant to a person’s ADLs• The stimuli are relevant to a person s ADLs.
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So, what AAC strategies and aids should we consider for adults with dementia?
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Electronic Devices
Speech generating de ices• Speech generating devices– Synthesized speech output
Digitized speech output– Digitized speech output• Computers (Handheld, wearable, or desktop)
– Dedicated versus integrated devicesDedicated versus integrated devices– Software purposes:
• Schedules• Reminders• Augmented input or output
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bl i kAbleLink Handheld Visual
AbleLink WebTrak
Compass
ERI Pi tPicture
Planner
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External memory aids:
N t b k• Notebooks,• cards,
communication boards• communication boards, • calendars, • signs• signs, • timers, • labels• labels, • color codes, • tangible visual symbols)tangible visual symbols)
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Bourgeois research (1991-1994)
• Made individualized memory wallets or cards• Persons with mild AD• Measured outcomes of conversations between
trained caregivers (spouse, adult child, day staff)• Wallets: Pictures and words for 3 topics:
– Family namesBi hi l i f ti– Biographical information
– Daily schedules.
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Results
• Increased the frequency of factual information;• Decreased the rate of ambiguous,
ti i t lli iblperseverative, erroneous, or unintelligible utterances;Increased the conversational responsibility (turn• Increased the conversational responsibility (turn taking) of person with dementia;
• Increased the number of on topic statements• Increased the number of on-topic statements during a conversation.
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Now we know that non-electronic AAC ti k H i thoptions work. How can we examine these
approaches further?
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3 things to consider for each aid:
1. The messages or language in the aid;2. How those messages are presented;g3. The output, or result, of selecting a
message from the aid.message from the aid.
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What messages should be chosen?What messages should be chosen?
• Autobiographical memories might be accessible.
• Messages that affect the environment might be more meaningful.
• Message topics have been documented within the language of elders.within the language of elders.
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Some elder speak topicsSvoboda, E. (2001). Autobiographical interview: Age-related differences in episodic retrieval. Department of Psychology. Toronto, University of Toronto: 107.
Emotional Famil E entsEmotional • Losing something important• Being embarrassed
A t
Family Events• Birth of sibling• Someone’s death
Child’ fi t d f h l• An argument• Pet dying• Being discipline at school
• Child’s first day of school• First house• Moving to new home
• Being lost • Meeting a special friend• Being chosen
• Moving to new school• First love• Wedding
• Wearing a special piece of clothing
• Holiday
• Engage• First dance• First child
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Levels of representationConcept of
“apple”apple
Auditory-verbalWORD: say“APPLE”
The tatile symbol(The tactileObj f
The visual symbol:Bl k & hit i t
Visual verbal
Object ofAPPLE)APPLE
Black & white pictureColored drawingphotograph photoVisual-verbal
Symbol: write
APPLE
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Symbol: visual or auditory representation for a referent
• Color• Size• Level of representation
– Iconicity: Ease of symbol recognitionIconicity: Ease of symbol recognition• Transparent symbols- visually resemble their
referents.• Opaque symbols- visual relationship to referent is
not obvious. DUCK
Fried-Oken, Ph D
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What will be the result of symbol selection?
• Communication partner validates message.
• Electronic voice output that labels the symbolsymbol.
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Neither input mode (symbols) nor output mode (+/- presence of voice p ( poutput) has been experimentally controlled in research on AACcontrolled in research on AAC devices to enhance communication for adults with ADfor adults with AD.
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Current funded research question:
• Do AAC tools improve the quantity or quality ofquantity or quality of conversation by individuals with moderate Alzheimer’s disease?disease?
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Specific Aims
• 1. To compare the effects of different pinput modes in an AAC device on conversational skills of persons with moderate AD.– Print alone– Print + photographs– Print + 3-dimensional miniature objects
Ph t h l– Photographs alone– 3-dimensional miniature objects alone
Control condition (no board)– Control condition (no board).
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• 2 To compare the effects of output2. To compare the effects of output mode in an AAC device on the conversational skills of persons withconversational skills of persons with moderate AD.
– Digitized speech outputN h t t– No speech output
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3. To determine whether the effectiveness of input modes on the AAC device
i ith it f lvaries with severity of language impairment of persons with moderate ADAD.– Top half scorers on the Functional
Linguistic Communication Inventory (FLCI)Linguistic Communication Inventory (FLCI)– Bottom-half scorers on the Functional
Linguistic Communication Inventory (FLCI)
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4. To determine whether the effectiveness of output modes on the AAC device
i ith it f lvaries with severity of language impairment of persons with moderate ADAD.– Top half scorers on the Functional
Communication Inventory (FLCI)Communication Inventory (FLCI)– Bottom-half scorers on the Functional
Linguistic Communication Inventory (FLCI)
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Social Validation Aim:
5. To determine whether the effects of using an AAC device is viewed as successful by conversational partners.
6. To determine if the language symbols for each aid is translucent and represents theeach aid is translucent and represents the user’s concepts.
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Design for participants/board conditions
Input/ No B
Print l
Print + 2 D
Print + 3 D
2-D b l
3-D b lOutput Boar
donly 2-D
symbols3-D symbols
symbols only
symbols only
Voice 6 6 6 6 6Voice output 6 6 6 6 6
No Voice Output
6 6 6 6 6
Totals 60 12 12 12 12 12
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Questions you should be asking by now:
• What do these AAC devices look like?• What do they sound like?y• What are the different input modes
(symbols?)(symbols?)• How does a participant use the device?
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Flexiboard with 2-D symbols
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Flexiboard with 3-D symbols
Fried-Oken, Ph D
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Subject’s conversation
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Subject Criteria
• Diagnosis of probable or possible AD by a board certified neurologist;Cli i l D ti R ti (CDR) 1 2• Clinical Dementia Rating (CDR) = 1 or 2;
• Mini Mental Status Examination (MMSE) = 5-18 within 6 months of enrollment in study (or wewithin 6 months of enrollment in study (or we administer);
• Vision and hearing within functional limits;• Vision and hearing within functional limits; • English as primary language.
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Exclusion criteria
History of other neurologic or psychiatric illness (no CVA, reported alcohol abuse, traumatic brain damage, reported recent significant psychological or speech/language disorder).
Fried-Oken, Ph D
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Subjects to date (4/2006)
Subject N=20 (4 withdrew)
Gender 6 Males 14 Females
Age Mean –75.7 yrs
Range –50 – 91 yrs.
MMSE Mean-10.65
Range-5 – 17
CDR Mean-1.7
Range-1 - 2
FLCI Mean- Range- 11- Hi L 9- Lo L 50.35
g27 –80 function function
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Method
1. Identify participant and randomly assign to condition;2. Determine participant’s preferred topic and vocabulary;3. Develop communication device with randomly assigned symbols
(+/-voice output);4. Conduct 10 videotaped conversations:
) 5 ti ith i d b da) 5 conversations with assigned board;b) 5 conversations with no board (control);
5. Collect caregiver surveys on translucency of symbols.6. Collect caregiver surveys on success of each
conversation.
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11 Conversation Conditions(5 conversations each for an experimental & control conditions)
Control (No board) 3-D symboldi iti d i t t2-D symbol
+ digitized speech output
+ digitized voice output– voice output3-D + print- voice output
2-D symbol + printdi iti d i t t
3 D + print+ digitized voice output– digitized voice output
+ digitized voice output- voice output
Print+ digitized voice output
i t t– voice output
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Outcome Measures
• The utterance is the unit of measurementmeasurement
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Outcome Measures
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Outcome Measures
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Results from first subject
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Number of utterances/condition
1200
1400
800
1000
Presence
400
600PresenceAbsence
+print -print +voice -voice
0
200
Print VoicePrint Voice
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Number of utterances/condition
Percent Percent productivePercent nonproductive utterances
Percent productive utterances
P i t diti 26% 74%Print conditions 26% 74%
No print 22% 78%No print conditions
22% 78%
Voice output 6% 94%conditionsNo voice output conditions
26% 74%conditions
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Acknowledgements
L t C t f A i d Al h i ’• Layton Center for Aging and Alzheimer’s Disease Research, Portland, Oregon, USA
• NIH/NICHD/NCMRR award #1 R21 HD47754 01A1HD47754-01A1
• DOE/NIDRR award #H133G040176