. Electro-physiology . FIG. 211. processes appear to begin simultaneously at the kathode, at the moment of closure, and, according to Bernstein's view, can only be separated after further propagation. The absolute rate at which the katelectrotonic alteration is transmitted can there- fore hardly be determined exactly from such experiments. Bernstein estimates it at about 9—10 in. per sec. The develop- ment and diffusion of galvanic anelectrotonus is shown by the same method to be essentially similar, when the excitation by the rheotome is effected (by reason of the led-off transverse- sec
. Electro-physiology . FIG. 211. processes appear to begin simultaneously at the kathode, at the moment of closure, and, according to Bernstein's view, can only be separated after further propagation. The absolute rate at which the katelectrotonic alteration is transmitted can there- fore hardly be determined exactly from such experiments. Bernstein estimates it at about 9—10 in. per sec. The develop- ment and diffusion of galvanic anelectrotonus is shown by the same method to be essentially similar, when the excitation by the rheotome is effected (by reason of the led-off transverse- section of the nerve) with ascending currents. Even with strong currents there is invariably a much smaller negative initial varia- tion (excitatory wave) than with descending excitation, along with which there is a positive anelectrotonic deflection increasing
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