During the early years of the investigation of the central visual system, much attention was paid to the anatomy and experimental pathology of the visual centers in animals. Von Monakow and his school especially made many studies of the anatomy of the external corpus geniculatum, the tracts of the occipital lobe and the visual cortex. A review of the literature on the experimental aspects of the problem is given by Minkowski,1 and on the more purely anatomic aspects by Redlich.2 Interest then shifted more to the study of human pathologic material, and to the finer histology of the cortex. As a result of all these investigations, it is now generally accepted (even by former adherents of the "decentralist" school) that the second neuron of the visual system arises in the corpus geniculatum externum, and ends in the striate cortex (field 17 of Brodmann).3
Renewed interest in the
PUTNAM TJ. STUDIES ON THE CENTRAL VISUAL SYSTEM: II. A COMPARATIVE STUDY OF THE FORM OF THE GENICULOSTRIATE VISUAL SYSTEM OF MAMMALS. Arch NeurPsych. 1926;16(3):285–300. doi:10.1001/archneurpsyc.1926.02200270024002
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