Abstract
There are research benefits to studying movements which correct a disturbance of the position or progression of a limb. For example, the prior state of the limb, the body or the brain can be manipulated. This can throw light on prior organization, or pre-planning, of the corrective movement. Further, the onset point for the need for the correction can be accurately specified. This serves as a temporal bench mark from which the corrective movement is initiated by the nervous system. Study of such movements can also highlight the role of peripheral feedback from sensory transducers in the organization of movement (This then can be contrasted with pre-planning by the central nervous system.) The initial disturbance or ‘perturbation’ of the limb sets up additional discharge in the sensory receptors. When this discharge can be measured or estimated, correlation can be made between the input and the subsequent output of corrective muscular activity. This can test for the existence of servo relationships between the sensory discharge and the muscular activity.
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Brooke, J.D., McIlroy, W.E. (1990). Brain Plans and Servo Loops in Determining Corrective Movements. In: Winters, J.M., Woo, S.LY. (eds) Multiple Muscle Systems. Springer, New York, NY. https://doi.org/10.1007/978-1-4613-9030-5_46
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DOI: https://doi.org/10.1007/978-1-4613-9030-5_46
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