Identifier: diseasesofnervou00gord (find matches)
Title: Diseases of the nervous system : for the general practitioner and student
Year: 1913 (1910s)
Authors: Gordon, Alfred, 1869-1953
Subjects: Nervous System Diseases
Publisher: Philadelphia : Blakiston's Son
Contributing Library: Columbia University Libraries
Digitizing Sponsor: Open Knowledge Commons

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of the lesion, it will be determinedfrom a close observation of the attacks, as the seat of the convulsiveattacks or the seat of their beginning will enable us to localize the lesionin the cortex. X-ray examination may render a valuable service insuch cases. Pain may sometimes be elicited by pressure over the areacorresponding to the suspected irritative lesion. JACKSONIAN OR FOCAL EPILEPSY 127 Etiology.—It has been already mentioned that irritation of the motorzone of the cortex, which is the chief cause of Jacksonian epilepsy, may beproduced by fragments of the skull in traumatism, by hemorrhages,localized meningitis, gummata, tumors. All these factors act at firstmechanically upon the cortex and then cause an inflammatory conditionof the latter. But there are other conditions in which focal epilepsy hasbeen observed. Alcoholism and lead poisoning are two well known CENTRAL SULCUS (.ROLANDO) INTER-PARIETALSULCUS POSITION OFPARIETALEMINENCE EXTERNALPART OFPARIETO-OCCIPITAL FISSURE
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POSITION OFFRONTAL EMINENCE SUPERIORTEMPORALSULCUS MIDDLE TEMPORAL SULCUS Fig. 70.—Drawing of a Cast of the Head of an Adult Male. (Morris Anatomy.)(Prepared by Professor Cunningham to illustrate cranio-cerebral topography.) intoxications, to which Jacksonian epilepsy can be attributed. Thaturemia may become complicated by attacks of Jacksonian epilepsy isalso a well-known fact. On the other hand peripheral irritation, as, forexample, injury to nerve trunks, burns, cicatrices, polyps, surgicaloperations, etc., have been the starting cause of unilateral epilepsy. Insuch cases the pathogenesis being obscure, one is bound to accept theview of a reflex origin of Jacksonian epilepsy. 128 JACKSONIAN OR FOCAL EPILEPSY Treatment.—When an intoxication can be traced as a cause of theepilepsy, medical treatment is indicated and it will consist of the removalof the cause. When syphilis is ascertained or suspected, mercurials andiodides also salvarsan may yield excellent results. In all other

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