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Performance in People with Chronic Aphasia Using a Visual Scenes Display

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... in People with Chronic Aphasia Using a Visual Scenes Display ... Develop a personalized Visual Scenes Display (VSD) for a person with chronic aphasia (Ron) ... – PowerPoint PPT presentation

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Title: Performance in People with Chronic Aphasia Using a Visual Scenes Display


1
Performance in People with Chronic Aphasia Using
a Visual Scenes Display
  • Miechelle McKelvey
  • Aimee R. Dietz
  • Karen Hux
  • Kristy Weissling
  • David Beukelman

Funded in part by AAC-RERC, NIDRR, USDE
2
PURPOSE
  • Develop a personalized Visual Scenes Display
    (VSD) for a person with chronic aphasia (Ron)
  • During interaction with unfamiliar partners,
    document changes
  • As Ron became increasingly familiar with the
    themes
  • Before and after intervention
  • Investigate generalization with second theme

3
(No Transcript)
4
METHODS
  • Participants
  • Person with Aphasia (Ron)
  • 61-year-old male with chronic aphasia
  • 8 years post left hemisphere stroke
  • Lives independently
  • WAB Aphasia Quotient 24.2

5
  • Speech Characteristics
  • Dysfluencies
  • Word retrieval difficulties
  • Stereotypic phrases
  • Paraphasias
  • Tends to dominate conversations
  • Inappropriate turn taking
  • Perseveration on disability
  • Communication Partners
  • -20 adults without communication challenges
  • Age range 21-72
  • Gender 16 females, 4 males

6
DEPENDENT MEASURES
  • Instances of disability talk
  • Any utterance Ron makes in an attempt to explain
    his problem communicating
  • Sometimes it is hard to say it.
  • Instances of navigation and organization talk
  • Any utterance Ron makes to himself, or listener
    concerning device navigation.
  • Lets see here.
  • Percentage of inappropriate question and answer
    exchanges

7
PROCEDURES
  • Experimental Design Multiple Baseline Across
    Themes
  • Theme Development
  • Ron and AAC facilitator constructed two themes
  • Measurement
  • Bi-weekly data collection
  • Videotaped
  • All utterances, gestures, device navigation, and
    device output transcribed

8
  • Instruction
  • Bi-weekly intervention session
  • Analyses
  • Tallied instances of Disability talk
  • Interobserver agreement 93.7
  • Tallied instances of Navigation and Organization
    talk
  • Interobserver agreement 97.3
  • Tallied number of inappropriate turns following a
    question

9
RESULTSDisability Talk
Pain
Fell/Pain
Pain
Fatigued
10
Fell/Pain
Fatigued
Fell Broke Arm/No Glasses
11
Gender Differences in Disability Talk
12
Navigation Organization Talk
Theme 1
Pain
Pain
Pain
Fatigued
13
Theme 2
Fatigued
Fell Broke Arm/ No Glasses
14
Gender Differences in Navigation Organization
Talk
Theme 1
15
Percentage of Inappropriate Turn-Taking following
Questions
Theme 1
16
Theme 2
Fell Broke Arm/ No Glasses
Pain
Fatigued
17
DISCUSSION
  • Generalization to Theme 2 prior to intervention
  • Disability Talk
  • Navigation and Organization Talk
  • Turn-taking following questions
  • Increased efficiency
  • Increased reciprocity
  • Qualitative interaction differences across gender
  • http//aac.unl.edu/
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