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Development of the motor memory trace and control program.

F M Henry1

  • 1Department of Physical Education, University of California, Berkeley, USA.

Journal of Motor Behavior
|March 1, 1986
PubMed
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This study proposes a computer-analog model for memory trace development in motor learning. It explains how performance errors refine motor control programs, leading to improved learning and practice effects.

Area of Science:

  • Cognitive Neuroscience
  • Motor Control
  • Computational Psychology

Background:

  • Understanding the neural mechanisms of motor learning is crucial for addressing motor impairments.
  • Existing models often lack a computational framework to explain memory trace formation.
  • The concept of a 'memory trace' is central to learning and skill acquisition.

Purpose of the Study:

  • To present a theoretical explanation for the development of the memory trace in motor learning.
  • To model the memory trace using a computer analog framework.
  • To investigate the relationship between performance discrepancies and learning outcomes.

Main Methods:

  • Developed a theoretical model of memory trace formation based on reference images and control programs.

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  • Utilized a computer analog to simulate the comparison of afferent information with reference images.
  • Conducted correlational analyses (within- and inter-individual) on motor task performance data from human participants.
  • Differentiated between 'learners' and 'non-learners' based on performance improvement.

    • Main Results:

    • The theoretical model predicted specific correlation patterns in learner groups during motor skill acquisition.
    • Learners exhibited systematic improvement and distinct correlation patterns, supporting the model's predictions.
    • Non-learners failed to show improvement or organized correlation patterns, contrasting with learners.
    • The model successfully explained the 'remoteness effect' in inter-trial correlations.

    Conclusions:

    • The proposed computer-analog model provides a viable explanation for memory trace development in motor learning.
    • Discrepancy-driven adjustments in control programs are fundamental to refining motor acts.
    • Individual differences in learning capacity are reflected in distinct correlational patterns during practice.