3  instruments for assessing CCD in Dementia

Map Branches

• Comprehensive evaluation battery
  • Arizona Battery of Communication Disorders of Dementia
  • aim
    • evaluate CCD in individuals with dementia at stages
      • mild
      • moderate
  • authors
    • Bayles + Tomoeda 1993
  • advantages
    • standardized on
      • ppl c. dementia
      • elderly normals
    • comparisons possible
      • between subject/norms
      • within subject
        • subtest level
        • construct level
  • disadvantages
    • floor effects in severe AD...
  • format
    • 5 constructs (14 subtests)
      • 1. linguistic comprehension
        • 4 subtests
      • 2. lingusitic production
        • 4 subtests
      • 3. verbal memory
        • key subtests:
          • delayed story retelling
        • 3 subtests
      • 4. visuospatial skill
        • 2 subtests
      • 5. mental status
        • 1 subtest
    • scoring
      • individual subtests can be administered
      • when entire battery administered:
        • raw scores
        • summary (standardized) scores)
          • permit comparison between subtests
        • construct:
          • summary standardized scores permitting inter-construct comparison
        • total score
          • summary of overall test performance
• Assessing disease progression
  • Functional Linguistic Communication Inventory (FLCI)
    • aim:
      • characterize functional linguistic comm. of ppl. with moderate/severe dementia
    • format
      • tests following:
        • naming+greeting
        • answering questions
        • participation in conversation
        • comprehending signs/ matching objects to pictures
        • reading+comprehending words
        • reminiscing
        • following commands
        • pantomiming
        • gesturing
        • writing
    • advantages
      • 30 mins
  • authors
    • Bayles+Tomoeda 1993
• Screening for AD
  • Mental status subtest of ABCD
    • scoring
      • ABCD standardization
        • Mod AD pts average 4.5
        • Mild AD pts average=9.9
        • only 5% of normal elderly score below 11.5
      • max=13
    • 13 items evalaute
      • general knowledge
      • oreintation to
        • person
        • place
        • time
    • simple+ reliable
      • 5 mins!
  • Story-retelling subtest of ABCD
    • a verbal memory test
      • delayed story recall
      • immediate story recall
    • screen for AD
      • sensitive
        • Bayles+Tomoeda 1993
      • time efficient
• Remember! Comprehensive evaluation...
  • include measures of:
    • mental status
    • executive function
    • verbal memory
    • language production
    • language comprehension

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