Dual-task performance in Alzheimer's disease, mild cognitive impairment, and normal ageing

Jennifer A Foley, Reiner Kaschel, Robert H Logie, Sergio Della Sala

Research output: Contribution to journalArticlepeer-review

Abstract

Although several studies have shown that dual-tasking ability is impaired in Alzheimer's disease (AD), the stage at which this deficit manifests remains unclear. This study investigated if a new paper-and-pencil assessment of dual-tasking ability could distinguish between AD, mild cognitive impairment (MCI) and normal ageing in a sample of 50 people with AD, 49 people with MCI, and 50 healthy age-matched controls. The AD group demonstrated a significant impairment in dual-task ability. There was no effect of either MCI or healthy ageing on dual-task performance, indicating that the dual-task impairment is specific to AD.
Original languageEnglish
Pages (from-to)340-8
Number of pages9
JournalArchives of Clinical Neuropsychology
Volume26
Issue number4
DOIs
Publication statusPublished - 2011

Keywords

  • aged
  • 80 and over
  • aging
  • algorithms
  • Alzheimer Disease
  • cognition disorders
  • Diagnostic and Statistical Manual of Mental Disorders
  • female
  • humans
  • male
  • mental recall
  • middle aged
  • neuropsychological tests
  • psychomotor performance
  • ROC curve
  • reference values
  • task performance and analysis

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