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From reflex to skill: the training of coordination
Archives of Physical Medicine and Rehabilitation
|December 1, 1980
Summary
Motor skills develop from inherent reflexes modified by higher brain centers. Perfecting motor patterns, or engrams, requires millions of precise repetitions for coordination, with the extrapyramidal system handling complex movements.
Area of Science:
- Neuroscience
- Motor Control
- Physiology
Background:
- Motor activity originates from inherent reflexes modified by higher neural centers.
- Reflex patterns are established by consistent neuronal connections, not variability.
- The pyramidal system controls reflex activity, forming the basis for motor engrams.
Purpose of the Study:
- To elucidate the mechanisms of motor control and coordination.
- To explain the role of neuronal pathways in developing motor engrams.
- To define the process of engram formation and its relation to motor skill acquisition.
Main Methods:
- Analysis of reflex pathways and their modification by higher centers.
- Investigation of the pyramidal and extrapyramidal systems' roles in motor control.
- Examination of engram formation through repetition and inhibition/excitation principles.
Main Results:
- Reflex patterns are consistent; only the spread of excitation varies with stimulus intensity.
- Precise pyramidal system control requires relaxation, low effort, and focused attention.
- Engram formation necessitates millions of precise repetitions, with inhibition being as crucial as excitation.
- Coordination improves with practice just below maximal performance levels.
Conclusions:
- Motor engram perfection is a result of extensive, precise repetitions.
- The extrapyramidal system is responsible for advanced, complex motor pattern execution.
- Understanding these principles is key to motor learning and rehabilitation strategies.
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