Experiments were devised with the aim of further clarifying the hemodynamics of deep desynchronized sleep. Information was sought along two different approaches. (1) Comparison of arterial pressure changes in desynchronized sleep before and after various kinds of heart denervation showed that the neural control of the heart is not basically involved in the blood pressure fall occurring in sleep. (2) Experiments in which, besides arterial pressure, cardiac output was continuously ...
The comparative physiological method was combined with the electrophysiological method in an attempt to resolve the problems related to the mechanisms of relaxation of the involuntary muscle system. The effect of sodium ion on the mammalian smooth muscles, vertebrate myocardium, and invertebrate myocardium has been compared since 1962. Effect of higher sodium concentration on the myocardium was obtained by using the skate myocardium without changing the osmotic pressure of the ...
An analytical study of communication structures and basic mechanisms which will provide a better understanding of how the brain controls well-defined performances of animal behavior. Material is categorized under the headings: animal behavior, cerebral physiology, and cellular processes.
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