Lectures on nervous diseases from the standpoint of cerebral and spinal localization, and the later methods employed in the diagnosis and treatment of these affections . bpuriS Electrode. Double-current K^ 160.—Various Forms of Special Electrodes. most profound effects at its point of escape from the bod}, , thenegative pole. It is not uncommon to see a reddening of the skin, andeven vesication, produced by a strong current at the negative electrode,if kept too long in contact with it. The cathode is the stimulating or irritating pole (if such an exjjression is admissible)
Lectures on nervous diseases from the standpoint of cerebral and spinal localization, and the later methods employed in the diagnosis and treatment of these affections . bpuriS Electrode. Double-current K^ 160.—Various Forms of Special Electrodes. most profound effects at its point of escape from the bod}, , thenegative pole. It is not uncommon to see a reddening of the skin, andeven vesication, produced by a strong current at the negative electrode,if kept too long in contact with it. The cathode is the stimulating or irritating pole (if such an exjjression is admissible) of a galvanicbatter}^ The anode is, b}- contrast, the sedative pole. CHOICE OF A BATTEEY AND ELECTKICAL APPARATUS. 639 For the treatment of special forms of disease by electricity, differenttypes of electrodes have been designed by various neurologists. A de-vice of my own, which simplifies electro-diagnosis and enables a medicalobserver to watch and compare the effects of electrical currents of defi-nite strengths upon muscle- and nerve-reactions of opposed limbs simul-taneously, has been described in Section II. By means of this device,tlie physician may sit at a key-board and excite
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