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Questions and Answers
What does bilateral transfer enhance?
What does bilateral transfer enhance?
Which explanation focuses on the brain's physiological response?
Which explanation focuses on the brain's physiological response?
How does cognitive information impact skill practice with the opposite limb?
How does cognitive information impact skill practice with the opposite limb?
What type of practice has similar effects to bilateral transfer?
What type of practice has similar effects to bilateral transfer?
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Which finding was highlighted in studies of bilateral transfer?
Which finding was highlighted in studies of bilateral transfer?
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Study Notes
Bilateral Transfer
- Bilateral transfer is the phenomenon where practice with one limb improves the learning of a similar skill with the other limb.
- Transfer can occur between motor skills or tasks.
- Two explanations for bilateral transfer exist.
- One perspective is motor control, where the same motor program is used for both limbs.
- The second is cognitive, where practice on one limb helps the learner understand the skill better, leading to faster acquisition when the skill is performed later with the other limb.
Motor Control Perspective
- The non-practiced limb uses the same motor program as the practiced limb.
- EMG (electromyography) shows sub-threshold electrical activity in the other limb during practice with one limb.
- This demonstrates transfer of motor components to the other limb.
- Neuroimaging studies also show cortical activation related to bilateral transfer and neuroplastic changes.
Cognitive Perspective
- Practice with one limb helps the learner acquire cognitive information about skills and how to perform them.
- The learner can then immediately apply this information when the same skill is performed with the other limb.
- Both physical and mental practice lead to similar degrees of transfer.
- Motor and cognitive components interact to explain bilateral transfer.
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Description
This quiz explores the concept of bilateral transfer, where practice with one limb enhances skill learning in the opposite limb. It examines both motor control and cognitive perspectives on how this transfer occurs, supported by evidence from EMG and neuroimaging studies. Test your understanding of these mechanisms and their implications in motor learning.
