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The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task
Published on: May 3, 2018
Age-related declines in visuospatial working memory correlate with deficits in explicit motor sequence learning
1School of Kinesiology, University of Michigan, Ann Arbor, Michigan, USA.
Journal of Neurophysiology
|September 4, 2009
Summary
Working memory declines with age, impacting motor sequence learning in older adults. Reduced working memory capacity partially explains slower learning rates and shorter motor chunks in this demographic.
Area of Science:
- Cognitive Neuroscience
- Motor Control
- Aging Research
Background:
- Older adults show deficits in motor sequence learning, with underlying mechanisms unclear.
- Visuospatial working memory capacity influences motor learning and chunking in young adults.
Purpose of the Study:
- To investigate if age-related working memory deficits explain reduced motor sequence learning rates in older adults.
- To examine the relationship between working memory capacity and motor chunking in aging.
Main Methods:
- Comparison of motor sequence learning and visuospatial working memory capacity between young and older adults.
- Correlation analysis between working memory capacity and motor chunk length/learning rate.
Main Results:
- Older adults demonstrated reduced working memory capacity and motor chunk length compared to young adults.
- A correlation between visuospatial working memory capacity and motor chunk length was observed in older adults.
- Individual working memory variations did not correlate with the rate of motor learning in older adults.
Conclusions:
- Working memory decline with age partially accounts for age-related differences in explicit motor sequence learning.
- Visuospatial working memory plays a role in how older adults learn and chunk motor sequences.
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01:24Working Memory
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01:12Visual Agnosia
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