Nervous and mental diseases . Health Stf yltrobfya** proliferation, of Hlusf U, CittIlosis d. Vok^£ GalvanicJAr&dic foliar. ^mr Fig. 14.—1, Paralysis with early return of motion (modified from Erb). 2, Incurable paralysis withcomplete atrophy and degeneration (modified bom Erb). the polar variations from the normal gradually right themselves at thesame time. These changes and the pathological process in nerve andmuscle are shown in the diagrams (Fig. 14) modified from Erb. In some cases we find a partial reaction of degeneration, the nerve-trunk response bein
Nervous and mental diseases . Health Stf yltrobfya** proliferation, of Hlusf U, CittIlosis d. Vok^£ GalvanicJAr&dic foliar. ^mr Fig. 14.—1, Paralysis with early return of motion (modified from Erb). 2, Incurable paralysis withcomplete atrophy and degeneration (modified bom Erb). the polar variations from the normal gradually right themselves at thesame time. These changes and the pathological process in nerve andmuscle are shown in the diagrams (Fig. 14) modified from Erb. In some cases we find a partial reaction of degeneration, the nerve-trunk response being only slightly modified. The inverted polar formulais not necessarilv present. The most essential element in the reactionof degeneration is the modal change,—the slowly appearing muscularresponse,—so at variance with the instantaneous effect produced in in importance is the lessened faradic control of the muscle, and, last,the polar modifications. The variations in the galvanic and faradicresponses in disease are due principally to the fact that currents of acertain strength and duration are required to actuate the changed sarcodecel
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