A treatise on the diseases of the nervous system . nstance, of the same group of muscles may be theresult of lesions occupying very different points in the motor zone. Tothis view the clinical researches of M. Bourdon lend support. In re-porting a case of brachial monoplegia of cortical origin occurring inhis own experience, this author cites fourteen other cases in whichthere was a thorough post-mortem examination. From the compari-son of the precise seat occupied by the lesion in these different cases,M. Bourdon has arrived at the conclusion that brachial monoplegia mayresult from lesions of
A treatise on the diseases of the nervous system . nstance, of the same group of muscles may be theresult of lesions occupying very different points in the motor zone. Tothis view the clinical researches of M. Bourdon lend support. In re-porting a case of brachial monoplegia of cortical origin occurring inhis own experience, this author cites fourteen other cases in whichthere was a thorough post-mortem examination. From the compari-son of the precise seat occupied by the lesion in these different cases,M. Bourdon has arrived at the conclusion that brachial monoplegia mayresult from lesions of various parts of the motor zone of the hemi-spheres ; and he has also shown that what is true for brachial mono-plegia is equally so for hemiplegia. M. Louis Landouzyl has collected a large number of cases of pa-ralysis consecutive to meningo-encephalic lesions of the fronto-parietallobe. Of the one hundred and fifty cases cited in his monograph, therewere not less than fifty-nine in which the hemiplegia was partial. SeeFigs. 29 and 30. Fig. The lesion indicated bv the shaded part of the paracentral lobule represents the extent of a eerebraglioma (case Ixvi. of M. Landouzvs memoir). That part of the shaded portion above the curvedline represents the internal prolongation of a focus of tuberculous encephalitis (case xxw. 01 the samework), which gave rise to paresis and contractions of the left limbs. A, anterior convolution ; B. posterior central convolution: of. gyrus formcatus; P. precuneus : oz. cnne-us: H. gyrus hippocampi; p, sulcus hippocampi ; U. gyrus uncinnatus; po, paneto occipital As-sure; oc, calcarine fissure. Nevertheless, it was impossible to draw from this ample materialthe least definite information relative to the precise localization of thecentres in the cortical motor zone for the different groups of musclesaffected. M. Raynaud has observed a case of left brachial monoplegia in anindividual in which at the autopsy a single lesion, consisting of a very 1
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectnervoussystem, bookye
