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November 5, 1927

Anatomical, Phylogenetical and Clinical Studies on the Central Nervous System.

JAMA. 1927;89(19):1627. doi:10.1001/jama.1927.02690190065032

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The first lecture reports Dr. Brouwer's researches on the projection of the retina in the brain, which are of great theoretical and clinical importance. In rabbits, cats and monkeys the degenerations resulting from localized experimental lesions in the retina were studied by Marchi's method. The course and distribution in the external geniculate bodies of fibers from the retinal quadrants and the macula are accurately charted. No peripheral optic fibers terminate in the pulvinar, and this center is not a part of the central optic path. It probably is concerned with stereoscopic vision and other higher visual functions. The arrangements differ widely in the three animals, and the monkeys so closely resemble man that the pattern here revealed can probably be employed with little change in the analysis of clinical cases. The retinal fields are precisely localized in the geniculate bodies, and Dr. Brouwer is of the opinion that these fields

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