. A Reference handbook of the medical sciences embracing the entire range of scientific and practical medicine and allied science . -. Two laws underlie every form of nervous activity, andfurnish a phjsiological reason for the constant tendencytoward automatic and habit action exhibited by thechronic insane in whom inhibitory impairment always. Fig. 2837.—Case VIII. Dciiientia l*ra^rn.\. stuporous state withmuscular rigidity and negativism. exists. 1. The discharge of the nerve centres occursalong those tracts which offer the least resistance. more frequently the discharge occurs along a
. A Reference handbook of the medical sciences embracing the entire range of scientific and practical medicine and allied science . -. Two laws underlie every form of nervous activity, andfurnish a phjsiological reason for the constant tendencytoward automatic and habit action exhibited by thechronic insane in whom inhibitory impairment always. Fig. 2837.—Case VIII. Dciiientia l*ra^rn.\. stuporous state withmuscular rigidity and negativism. exists. 1. The discharge of the nerve centres occursalong those tracts which offer the least resistance. more frequently the discharge occurs along a givenline, and the weaker the inhibitor}- resistance, the easierdoes a repetition of the discharge become, and the tuorecertain its permanent automatic establishment. If, for an} reason, in those conditions of mental diseasewhich are characterized by a weakening of the will power,one especial route is established either by reason of de-lusion or b\ mere fortuitous circumstance, the probabilityis that this particular route will continue to be the onemost frctiiiently traversed by nervous force in its passagefrom the brain to tlie peripher_v. A delusion, an halluci-nation of sight or lieariug, some peculiar condition in thepatients environment may have first initiated certain ac-tions which, being unresisted, and hence repeated,lea
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