File:A treatise on the nervous diseases of children, for physicians and students (1905) (14598048598).jpg

Identifier: treatiseonner00sach (find matches)
Title: A treatise on the nervous diseases of children, for physicians and students
Year: 1905 (1900s)
Authors: Sachs, Bernard, 1858-1944
Subjects: Nervous system Children
Publisher: New York, W. Wood and company
Contributing Library: The Library of Congress
Digitizing Sponsor: The Library of Congress

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mal mental development. If the de-fect is in the motor areas, the disturbances of motion and ofsensation will naturally point out the defective area. Whileporencephaly is extremely frequent in this region, I havenot yet seen a single brain that exhibited normal develop-ment of its fissures and convolutions in all but the motorregion. Defective Development of the Occipital Lobe.—Defective development of the occipital lobe, as indicated byan atrophy of the gyri of this lobe, is well illustrated by thecase represented in Fig. 132, which has been reported byPeterson. The patient was a female, twenty-eight years 512 THE NERVOUS DISEASES OF CHILDREN. of age, and was from birth an idiot, with epilepsy and lefthemiplegia (slight) ; she was almost blind, being able onlyto distinguish light from darkness. Both occipital lobeswere greatly atrophied; the loss of tissue was made up forby the widely dilated posterior horns of the ventricles.The cerebellum projected far beyond the posterior lobes;
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Fig. 132.*—Brain of a Woman Aged Twenty-eight years, Idiot from Birth and almostBlind. Defective development of both occipital lobes, which appear to be mere ap-pendages to the more normal anterior portions. Drawing made from specimen ; piaof left half not removed. the atrophy and sclerosis extended partly into the motorarea of the right side. Defective development of the larger ganglia is not metwith in cases in which there are no other large cerebral de-fects. This statement must be accepted with some reserve, * The author is indebted to Dr. Peterson for permission to have the specimen copied. DEFECTIVE DEVELOPMENT OF THE BRAIN. 5 13 for little attention has been paid to this subject, and of thedefective brains that have been examined the records sayvery little about the ganglionic region. The author has had occasion to diagnosticate defectivedevelopment of the cerebellum. The diagnosis was madein a girl, eight years of age, born without difficulty and atfull term. The child had n

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