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Central Respiratory Spike Potentials

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Abstract

THE exposed medulla oblongata of the dog, cat and rat was explored by means of a stereotaxic instrument carrying a unipolar steel needle electrode (diameters from 10 to 40 microns at the non-insulated tip), and fast potential changes were recorded with amplifier and cathode-ray oscillograph. Simultaneous records were taken either (1) of respiratory movements using a strain-gauge, or (2) of tidal air using an electrically recording spirometer, or (3) of the action potentials of diaphragmatic muscle units. Method (3) shows the time relations between central and peripheral events more accurately, and at the same time allows the frequencies of the medullary and spinal discharges to be compared.

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Authors and Affiliations

  1. Department of Physiology, Royal Veterinary College, University of London, London, N.W.l

    E. C. AMOROSO, J. G. BAINBRIDGE, F. R. BELL, A. M. LAWN & H. ROSENBERG

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  1. E. C. AMOROSO
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  2. J. G. BAINBRIDGE
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  3. F. R. BELL
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  4. A. M. LAWN
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  5. H. ROSENBERG
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AMOROSO, E., BAINBRIDGE, J., BELL, F. et al. Central Respiratory Spike Potentials. Nature 167, 603–604 (1951). https://doi.org/10.1038/167603b0

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