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Motor response variations: peripheral and central sources of error
R M Kohl1, S A Fisicaro, S J Erbaugh
1Division of Health, Physical Education, and Recreation, Wayne State University, 265 Matthaei Building, Detroit, MI 48202, USA.
Journal of Motor Behavior
|June 1, 1993
Summary
This study investigated how peripheral and central nervous system activity influences error production in motor responses. Findings suggest that the nervous system
Area of Science:
- Motor control research
- Neuroscience
- Human movement science
Background:
- Understanding error production is crucial for motor learning.
- Differentiating central vs. peripheral nervous system contributions aids in targeted interventions.
Purpose of the Study:
- To test if the nervous system's involvement during response variations predicts error locus.
- To examine ipsilateral and contralateral transfer of motor responses.
Main Methods:
- Subjects performed response variations emphasizing peripheral or central nervous system activity.
- Knowledge of results (KR) and motor imagery were used to manipulate task demands.
- Subsequent criterion responses were assessed for bias errors.
Main Results:
- With KR, ipsilateral bias errors occurred, but not contralateral.
- Without KR, ipsilateral bias errors exceeded contralateral bias errors.
- Motor imagery resulted in equivalent bias errors across limbs.
Conclusions:
- Results support the hypothesis that nervous system involvement dictates error locus.
- This research provides insights into the central and peripheral mechanisms of motor error.