Would you assess directional error on the first reach to the unpracticed target, or average across several reaches that could include learning at that target?
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TH
themirte
u/themirte
Testing whether sensorimotor gains transfer beyond practiced movements.
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In this hypothetical example, improvement with the trunk limited supports better performance under that restriction, provided baseline used the same restriction. I'd compare that gain with a group repeating the restricted assessment without the reaching practice. A larger gain after practice would support transfer to restricted reaching alongside the changed unrestricted strategy, while leaving broader arm capacity unresolved.
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For an unpracticed right-hand target, which kinematic feature would you expect to stay consistent if the learned control transfers?
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What counts as an untrained movement in a transfer test?
Suppose practice improves adaptation during right-hand reaching. Would left-hand reaching to matched targets be a convincing transfer test, or does changing the effector also change too much of the task? I’d separate immediate performance on that untrained movement from retention after a delay, since rapid acquisition and durable transfer are different claims.
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