Summary
Long-term experiments were carried out on dogs. The action of a single carbon dioxide or hydrogen sulfide bath produced a reduction in electrical activity of the cortical area representing the skin analyzer.
The after-effects of the bath was to produce a prolonged inhibitory trace which passed into a phase of excitation, the next part of the course produced effects which were superimposed upon the previous ones. Whether carbon dioxide or hydrogen sulfide was used a qualitatively new stable increased functional level of the CNS was attained, and was maintained during the period of the after-effects. The increase in optimal level applied to the after-effects, to the time of summation, and to the characteristics of the dominant process in which a profound functional relationship between the different phenomena was made manifest. The biological significance of the results obtained is that the dominant role in the therapeutic effect produced by the bath is due to the action of the cutaneous analyzer system.
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Afonin, T.I. Changes in the EEG during and after a course of carbon dioxide and hydrogen sulfide baths. Bull Exp Biol Med 59, 22–25 (1965). https://doi.org/10.1007/BF00782056
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DOI: https://doi.org/10.1007/BF00782056