Page:Proceedings of the Royal Society of London Vol 69.djvu/195

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On Skin Currents.
181

Record of part of Experiment 9, showing transition from ingoing to outgoing effects, the farmer by " Weak " the latter by " Strong " Excitation.

FIG. 8. (4235.)

Ecccit&Gion by Berne coii, &L Tet&n. for 5 sees.

BK Time. 1,000 + +ah. 15


1,000 -

10,000 + "2/7.25

10,000


10,000 +


10,000


10,000


IO,OOO


10,000


ah.35


ah.45 -



Response. -OOOO voib in


-0-0010


-OOOIO

1 + O-O004 \-O-OO05


1+0-0003 \-0-0004


l + O-OOOQ

1-?


+ 0-00/0



m

in

ouG in

ouC in

out


out


+0-0016 " OUt


+ 0-0022 " OUt


0123


Response to Direct Excitation of the Intact Skin. A, B, Method.

If two electrodes, A and B, are applied to the intact skin, e.g., to the external surface of two separate pads, and tetanising currents are led in by these electrodes, the subsequent deflection is comparatively small