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Excerpt from Annual of the Universal Medical Sciences, Vol. 2: A Yearly of the Progress of the General Sanitary Sciences Throughout the World The literature of the past year has not been marked by any strikingly original contributions to the domain of cerebral localization. The process of threshing continues. Many papers of an analytical character have appeared bearing upon the general subject, and containing critical resumes, of more or less value, of the work done in previous years. One of the most comprehensive and interesting of such papers was contributed by H. H. Donaldson; another is by O. S. Baines. Sanger Brown publishes cuts of the brain, which are reproduced here, illustrative of our present knowledge of the subject. (See pages 3 and 4.) It will be seen that he rejects Ferrier's view that the angular gyrus is concerned in vision as a cortical centre. Beck has succeeded in establishing, to his own satisfaction at least, the existence of "cortical-action currents" produced by stimulation of a peripheral nerve. For example, stimulation of the eye of a dog by magnesium flash-light caused a demonstrable electro-negative variation of potential in the occipital lobe of the opposite side, the brain having been exposed of course. The dogs were curarized and the variations determined with a galvanometer. non-polarizable electrodes being used. Fleischl, in later article, claims to have preceded Beck in the demonstration of these phenomena, though, as he acknowledges that he did not publish his observations, Beck's work stands as entirely original. Centres of Common Sensation. - The results of several autopsies. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Annual of the Universal Medical Sciences, Vol. 2: A Yearly Report of the Progress of the General Sanitary Sciences Throughout the World Dr. Armstrong2 reports the case of a negro, aged 53 years, who was struck on the left forehead by a brick, producing an irregular lacerated wound about half an inch above the external edge of the eyebrow. He was unconscious for a short time. When the patient was seen next morning no fracture could be detected. The wound, which was filled with particles of dirt, was cleansed and dressed antiseptically. It healed by granulation, and the patient suffered from no untoward symptoms until about seven weeks later, when he noticed while walking a tendency of the right foot to drag slightly. Ten days later, while eating, his head fell forward on the table, and his right arm and leg seemed paralyzed. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Annual of the Universal Medical Sciences, 1895, Vol. 4 Treatment is generally easy in respect to the existing lesions, but it is difficult to prevent the successive outbreaks. An oint ment of sulphur (about 1 drachm to 1 ounce - 4 grammes to 31 grammes) produced a cure of'existing lesions frequently in a few days, or at least a week or so, and the author has found no need for more heroic treatment. In many cases where the disease has been considered syphilitic iodide of potassium internally has been said to give excellent results, but it does not prevent further outbreaks, and a larger dose is required with each fresh crop. Dubreuilh believes, however, that he has been able to control to some extent the appearance of fresh lesions by the administration of ichthyol in doses of to gramme (4% to 7% grains) per diem, or, where ichthyol is badly supported, naphthol in -gramme (13 grains) doses after each meal. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Annual of the Universal Medical Sciences, 1896, Vol. 2 Indeed, he regarded it as important to rid ourselves entirely of the idea of sensory cells and motor cells; but to abandon separate sensory and motor localization would, he believed, necessitate the abandonment of visual, auditory, gustatory, and other subdivisions of the cortex. The cerebro-sensory area, - that is, the area of representation for skin- and muscle- sensations, - both cortical and subcortical, would be, from his point of view, that part of the cerebrum where the fillet radiations concerned with these sensory excitations in their most compact forms are nearest to the surface of the brain, and therefore this region might continue to be destroyed as it had been by him, as in the postero-parietal, quadrate, and fornicate convolutions. Destruction of this region, especially if bilateral, caused more or less permanent loss or impairment of sensation. Dana, of New York, still held to the view (sustained last year) that the motor and sensory functions were practically united. He had directly irritated the motor cortex and produced sensory disturbance associated with motor disturbance. The whole weight of clinical evidence, the surgical operations, the tumors, and the softenings indicated that these two functions were essentially identical anatomically. Putnam, of Boston, thought that the convolutions in advance of the fissure of Rolando, the function of which we ordinarily associated with localized movements, had also to do with sensation, and that the function of sensibility was very widely distributed. He alluded to the fact that a sensation would make its way from a minute portion of the spinal cord that was left; and in the brain, if one channel were cut off, it would make its way into other channels. Sensibility would seem to be rather peculiar in the fact that it is almost always related to something else. Starr, of New York, argued that a lesion of a limited area of the so-called motor zone inevitably produced, in almost every case, more or less disturbance of sensation. He considered that he was mistaken in 1890, when he maintained that sensations were received only behind the fissure of Rolando. He believed with Dana that there were disturbances of sensation produced by small lesions anterior to the fissure of Rolando, and that the sensory area of the body corresponded exactly with the motor area, so far as could be determined clinically. Dercum, of Philadelphia, expressed the opinion that the various centres of the cortex, as we knew them clinically and pathologically, were simply highways of ingress and egress to the general cortex. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Excerpt from Annual of the Universal Medical Sciences, 1889, Vol. 2: A Yearly Report of the Progress of the General Sanitary Sciences Throughout the World Atmphy of Cerebral Cyfri from D tsase. - Sharkey reports a case in a woman, aged thirty-seven, in whose brain very marked atrophy of the motor zones of the brain was, found three years after the beginning of a paralysis due to caries of the last two cer vical and first three dorsal vertebrae. No histological changes were found in the atrophied gyri; it was simply a quantitative change from disuse This case is in striking contrast with the almost negative results of autopsies after Old amputations, yet the cases are different, as in the latter condition volitional impulses (unconsciously, perhaps) would still be able to flow out from the motor cortex to the anterior cornua of the whole cord. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Annual of the Universal Medical Sciences, 1891, Vol. 2: A Yearly Report of the Progress of the General Sanitary Sciences Throughout the World Alexia. - Nieden has an advocate for the term dysanagnosia, which he originated, applying it to those aphasic conditions known as alexia or dyslexia, in Burnett, who gives the history Of a unique example Of this condition of word-blindness. The patient, an aged clergyman, after a rather severe vertiginous attack, with subsequently strong convulsive seizures, recovered from the result ing stupor without any loss of motor or sensory function, but with an absolute inability to interpret the meaning of printed or written words by means of a retinal perception. Sentences read to him were perfectly understood, were repeated accurately; his memory was unimpaired; he could even read numbers correctly, stating the amount Of a check, though unable to tell to whom it was drawn or by whom written. He could write from dictation, and also, if not interrupted, originally. Individual letters of the alphabet were recognized without difficulty, with the noticeable peculiarity that the letter S provoked a disagreeable sensation whenever seen. N 0 other defect of visual perception is mentioned. Pictures were readily understood and appreciated. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Excerpt from Annual of the Universal Medical Sciences, 1894, Vol. 2 The dog, although having his entire cerebrum removed, re tained the greater part Of those faculties which in man emanate essentially from the cerebrum. The deductions from this experi ment are, however, applicable only to the dog and other lower animals, and not to man, in Whom loss Of the cerebral tissue to the same extent would unquestionably produce total abolition of all these faculties and almost certain death. The cortex is, as Edinger states, a centre superadded to the deeper ones, which is of greater importance the higher we ascend in the animal scale. The facts Of comparative anatomy prove this, destruction Of cerebral tissue producing only temporary loss or impairment Of function in dogs, a more permanent'loss in monkeys, most decided in the anthropoid ape, while in man such loss is followed almost invariably by de cided and persistent impairment in corresponding function, in pro portion to the extent Of destruction. Clinically and pathologically Edinger finds, in general paralysis Of the insane, a condition in man analogous in effect with decerebration in the dog, the final result in both cases being deep imbecility; the symptoms progress ing in severity in a ratio to the advancement Of the lesion deeper and deeper into the cortex. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.