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Use of variable online visual feedback to optimize sensorimotor coding and learning of a motor sequence.
Marie Bernardo1, Yannick Blandin1, Géry Casiez2,3
1Centre de Recherche sur la Cognition et l'Apprentissage, Université de Poitiers, Université de Tours, CNRS, Poitiers, France.
Plos One
|November 27, 2023
Summary
This study shows that changing online visual feedback reliability during motor sequence learning helps participants adapt coding strategies without harming long-term retention. Starting with reliable then unreliable feedback particularly enhanced motor coding for better learning.
Area of Science:
- Motor learning
- Cognitive psychology
- Human-computer interaction
Background:
- Online visual feedback is crucial for motor skill acquisition.
- The impact of feedback reliability and its sequential presentation on motor coding remains underexplored.
Purpose of the Study:
- To investigate how reliable and unreliable online visual feedback, and their order, affect motor sequence coding and learning.
- To determine if specific feedback sequences optimize motor coding for enhanced learning.
Main Methods:
- Participants practiced a 12-element motor sequence with varying online visual feedback conditions (reliable, unreliable, or both in sequence).
- Acquisition phase involved 200 practice trials.
- Delayed retention and intermanual transfer tests (visuospatial and motor) were conducted 24 hours later.
Main Results:
- Varying feedback reliability enabled participants to utilize diverse coding modalities without compromising long-term sequence learning.
- A sequence of reliable followed by unreliable feedback significantly promoted motor coding, a rare but beneficial learning strategy.
Conclusions:
- Online visual feedback reliability is a key factor in modulating motor coding strategies during sequence learning.
- Strategic manipulation of feedback reliability, particularly transitioning from reliable to unreliable, offers a promising avenue for optimizing motor learning and retention.
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