Summary
If Renshaw cells are fired by monosynaptically excited motoneurons the number of repetitive discharges of the interneurons increases in direct proportion to the height of the monosynaptic reflex, i.e., to the number of motoneurons in the discharge zone. The average slope is 10.6±2.9.
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Eccles, J. C., Sherrington, C. S.: Numbers and contraction-values of individual motor-units examined in some muscles of the limb. Proc. roy. Soc. B106, 326–357 (1930).
Gelfan, S.: Neuron and synapse population in the spinal cord: Indication of role in total integration. Nature (Lond.)198, 162–163 (1963).
—: Neuronal interdependence. In: Progr. Brain Res., vol.11, pp. 238–260. Ed. J. C. Eccles and J. P. Schadé. Amsterdam-London-New York: Elsevier 1964.
Granit, R., Haase, J., Rutledge, L. T.: Recurrent inhibition in relation to frequency of firing and limitation of discharge rate of extensor motoneurones. J. Physiol. (Lond.)154, 308–328 (1960).
—, Renkin, B.: Net depolarization and discharge rate of motoneurones, as measured by recurrent inhibition. J. Physiol. (Lond.)158 461–475 (1961).
Haase, J., Vogel, B.: Die Erregung der Renshaw-Zellen durch reflektorische Entladungen der α-Motoneurone. Pflügers Arch.325, 14–27 (1971a).
——: Direkte und indirekte Wirkungen supraspinaler Reizungen auf Renshaw-Zellen. Pflügers Arch.325, 334–346 (1971b).
Henneman, E., Gillies, D. J., Clamann, A. P.: The motor neuron pool and how it is used by the CNS. Electroenceph. clin. Neurophysiol.31, 417 (1971).
Jankowska, E., Lindström, S.: Morphological identification of Renshaw cells. Acta physiol. scand.81, 428–430 (1971).
Manfredi, M.: Differential block of conduction of larger fibers in peripheral nerve by direct current. Arch. ital. Biol.108, 52–71 (1970).
Mendell, L. M., Henneman, E.: Terminals of single Ia fibers: location, density, and distribution within a pool of 300 homonymous motoneurons. J. Neurophysiol.34, 171–187 (1971).
Romanes, G. J.: The motor cell columns of the lumbo-sacral spinal cord of the cat. J. comp. Neurol.94, 313–358 (1971).
Ryall, R. W., Piercey, M. F.: Excitation and inhibition of Renshaw cells by impulses in peripheral afferent nerve fibers. J. Neurophysiol.34, 242–251 (1971).
Wilson, V. J.: Regulation and function of Renshaw cell discharge. In: Muscular afferents and motor control. Nobel Symposium I, pp. 317–329. Ed. R. Granit. Stockholm: Almqvist and Wiksell 1966.
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These investigations were supported by the Deutsche Forschungsgemeinschaft (Sonderforschungsbereich 33 “Nervensystem und biologische Information”, Göttingen).
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Ross, H.G., Cleveland, S. & Haase, J. Quantitative relation of Renshaw cell discharges to monosynaptic reflex height. Pflugers Arch. 332, 73–79 (1972). https://doi.org/10.1007/BF00603815
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DOI: https://doi.org/10.1007/BF00603815