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Evaluating Tests of Cognition using a Computerized Touch-Sensitive Tablet, Eye Tracking, and Functional Magnetic Resonance Imaging
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Updating the Cognitive Performance Scale.

John N Morris1, Elizabeth P Howard2, Knight Steel3

  • 1Hebrew SeniorLife, Institute for Aging Research, Boston, MA, USA jnm@hsl.harvard.edu.

Journal of Geriatric Psychiatry and Neurology
|August 8, 2015
PubMed
Summary
This summary is machine-generated.

The updated Cognitive Performance Scale 2 (CPS2) now ranges from 0 to 8, offering more detailed cognitive assessments. This revised scale effectively tracks cognitive changes, especially in early decline, aiding in repeated evaluations.

Keywords:
cognitive declinecognitive impairmentelderlygeriatrics

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Area of Science:

  • Gerontology
  • Cognitive Science
  • Psychometrics

Background:

  • The Cognitive Performance Scale (CPS) has not been updated in two decades.
  • Existing cognitive assessment tools may lack sensitivity for detecting early-stage cognitive decline.

Purpose of the Study:

  • To introduce the first update to the CPS in 20 years, named Cognitive Performance Scale 2 (CPS2).
  • To expand the category options of the CPS.
  • To validate the new scale variant against the Mini-Mental State Examination and other functional measures.

Main Methods:

  • Secondary analysis of data from 3733 older adults across 8 countries.
  • Forward-entry stepwise regression was used to examine scale dimensions with new and existing items.
  • Validation involved assessing the scale's distribution against self-reported dementia diagnosis, functional problems, living status, and distress.

Main Results:

  • Cognitive Performance Scale 2 (CPS2) extends the measurement range from 0–6 to 0–8.
  • CPS2 demonstrated correspondence between cognitive performance challenges and external measures of function, living status, and distress.
  • The revised scale is sensitive to changes, particularly in early cognitive decline.

Conclusions:

  • Cognitive Performance Scale 2 (CPS2) offers an enhanced metric for cognitive assessment in older adults.
  • The updated scale facilitates repeated assessments and is sensitive to subtle cognitive changes.
  • CPS2 provides a valuable tool for monitoring cognitive health and detecting early decline.