Irritability : a physiological analysis of the general effect of stimuli in living substance / by Max Verworn.

  • Max Verworn
Date:
1913
Catalogue details

Licence: In copyright

Credit: Irritability : a physiological analysis of the general effect of stimuli in living substance / by Max Verworn. Source: Wellcome Collection.

    15/290
    I Contents: Introductory. Earliest period. Francis Glisson as founder of the doctrine of irritability. Albrecht von Haller. The vitalists. Borden and Barthes. Jolui Brown’s system. Johannes Muller and the specific energy of living substance. Rudolf Virchow’s doctrine of the irritability of the cell. Discovery of the inhibitory effects of stimulation. Weber, Schiff, Golts, Setschenow, Sher- rington. Claude Bernard studies on narcosis. Tropisms. Ehren- berg, Engelmann, Pfeffer, Strassburger, Stahl. Semon’s specu- lations on mneme II Contents: Principles of scientific knowledge and research. Origin and meaning of the conception of cause. Cause and condition. Criticism of the conception of cause. The conditional point of view. Conception of cause. The conditional point of view applied to the investigation of life. Conception of vital conditions. Defi- nition of the conception of stimulation 18 III Contents: The quality of the stimulus. Positive and negative altera- tions of the factors which act as vital conditions. Extent of the alteration in vital conditions or intensity of the stimulus. Thresh- old stimuli, sub-threshold, submaximal, maximal and supermaxi- mal intensities of stimulus. Relations between the intensity of stimulus and the amount of response. The Weber and Eechner law. All or none law. Time relations of the course of the stimulus. Form of individual stimulus. Absolute and relative rapidity in the course of the stimulus. Duration of the stimulus after reaching its highest point. Adaptation to persistent stimuli. Series of individual stimuli. Rhythmical stimuli. The Nernst law 39
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