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Cognitive Contributors to Multiple Errands Test (MET) Performance.

Melissa Hansen1, Nicole K De Amicis2, Nicole D Anderson3

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Summary
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Successful performance on the Baycrest Multiple Errands Test (MET) in individuals with acquired brain injury (ABI) is linked to executive functions, attention, memory, and processing speed. Deficits in these cognitive areas impact daily life activities.

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Area of Science:

  • Neuroscience
  • Cognitive Psychology
  • Rehabilitation Medicine

Background:

  • The Multiple Errands Test (MET) assesses executive dysfunction in daily activities.
  • Cognitive demands for successful MET performance remain unclear.

Purpose of the Study:

  • Investigate cognitive functions underpinning successful Baycrest-MET performance.
  • Identify specific cognitive impairments affecting real-world functioning in ABI.

Main Methods:

  • Correlational analysis used to examine Baycrest-MET performance.
  • Neuropsychological assessments administered to participants with acquired brain injury (ABI).
  • Sample size: 27 participants with ABI.

Main Results:

  • Executive functions explained 15.2%-42.3% of variance in tasks omitted.
  • Attention and processing speed accounted for 16.8%-24.0% of variance in tasks omitted.
  • Visuospatial memory correlated with tasks omitted and rule breaks (18.5%-31.4%).

Conclusions:

  • Impaired executive function, attention, memory, and processing speed are associated with poor Baycrest-MET performance in ABI.
  • Varied cognitive deficits may lead to distinct patterns of MET performance.
  • Findings highlight the complex cognitive basis of everyday functioning after brain injury.