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Assessment of Age-related Changes in Cognitive Functions Using EmoCogMeter, a Novel Tablet-computer Based Approach
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Lost ability to automatize task performance in old age.

François Maquestiaux1, André Didierjean, Eric Ruthruff

  • 1Université Paris-Sud & MSHE Ledoux, Orsay Cedex, France, francois.maquestiaux@u-psud.fr.

Psychonomic Bulletin & Review
|April 23, 2013
PubMed
Summary
This summary is machine-generated.

Elderly adults struggle to automatize new tasks, even with extensive practice. This suggests a qualitative age-related decline in cognitive automatization, not just general slowing.

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Area of Science:

  • Cognitive Psychology
  • Neuroscience of Aging

Background:

  • Automatization is crucial for efficient cognitive processing.
  • Previous research showed younger adults can automatize tasks with practice.

Purpose of the Study:

  • To investigate if elderly adults can automatize a novel task.
  • To determine if age impacts the ability to achieve task automatization.

Main Methods:

  • 10 older adults completed 10,080 trials over 12 sessions on a novel task.
  • Psychological Refractory Period (PRP) procedure used to assess dual-task interference.
  • Task 2 (practiced) was presented with Task 1 (unpracticed) to measure automaticity.

Main Results:

  • Older adults' reaction times improved significantly but remained slower than younger adults.
  • Highly practiced Task 2 showed substantial slowing (485 ms) in dual-task conditions.
  • This dual-task interference was much larger than observed in younger adults.

Conclusions:

  • Older adults demonstrate a reduced capacity to automatize novel tasks.
  • This inability to automatize is a qualitative age-related change.
  • Findings are not solely attributable to generalized cognitive slowing in older age.