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Active versus passive training of a complex bimanual task: is prescriptive proprioceptive information sufficient for
Iseult A M Beets1, Marc Macé, Raf L J Meesen
1Motor Control Laboratory, Department of Biomedical Kinesiology, Katholieke Universiteit Leuven, Heverlee, Belgium. iseult.beets@faber.kuleuven.be
Plos One
|June 6, 2012
Summary
Active motor learning enhances bimanual coordination more than passive training, particularly for learning limb phasing. While both methods acquire frequency ratios, active training excels with visual feedback, suggesting error correction benefits.
Area of Science:
- Motor control and learning
- Neuroscience
- Human movement science
Background:
- Perceptual processes are crucial for motor learning.
- Visual information significantly aids in learning new movements.
- The role of proprioceptive information in motor learning is less understood.
Purpose of the Study:
- To compare passive (proprioceptive) and active training for learning a novel bimanual task.
- To investigate the effectiveness of different training methods on acquiring specific coordination patterns.
- To assess the retention of learned motor skills under varying feedback conditions.
Main Methods:
- Three groups (passive training, active training, control) practiced a bimanual coordination task with a 1:2 frequency ratio and 90° phase offset.
- Lissajous feedback was provided during four days of training.
- Retention was tested with and without augmented visual feedback.
Main Results:
- Passive and active training yielded comparable acquisition of the frequency ratio.
- Active training was superior for acquiring the relative phasing between limbs with visual feedback.
- Relative phase performance declined without feedback in both groups, while frequency ratio was better preserved.
Conclusions:
- Active motor training may be more effective for learning complex bimanual coordination, especially concerning inter-limb phasing.
- The benefits of active training might stem from enhanced error detection and planning processes.
- Proprioceptive feedback alone is less effective than active engagement for mastering nuanced movement patterns.
