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The Helmholtz CurvesTracing Lost Time$
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Henning Schmidgen

Print publication date: 2014

Print ISBN-13: 9780823261949

Published to Fordham Scholarship Online: May 2015

DOI: 10.5422/fordham/9780823261949.001.0001

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Curves Regained

Curves Regained

(p.26) One Curves Regained
The Helmholtz Curves

Henning Schmidgen

Fordham University Press

In the course of his time experiments, Helmholtz used the graphical method for illustrating the phenomenon of “lost time”. This chapter describes and investigates the curves that Helmholtz produced by means of his “myograph” in order to illustrate his previous findings. Successive contractions of a frog muscle were recorded on a rotating drum, while Helmholtz changed the point at which the corresponding nerve was stimulated. From the resulting gap between two recorded curves he deduced the time required by the nerve to transmit the stimulation to the nerve.

Keywords:   Hermann von Helmholtz, Graphical Method, Time experiments

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