Developmental Neurobiology of Vision by H. B. Barlow (auth.), Ralph D. Freeman (eds.) PDF

By H. B. Barlow (auth.), Ralph D. Freeman (eds.)

ISBN-10: 1468436058

ISBN-13: 9781468436051

ISBN-10: 1468436074

ISBN-13: 9781468436075

This quantity comprises summaries of lots of the invited displays given through teachers and individuals on the NATO complex research Institute, "Develop­ psychological Neurobiology of Vision," held in Rethymnon, Crete, Greece 18-27 Sep­ tember 1978. the aim of this assembly was once to let a comparatively small overseas staff of scientists and scholars to carry discussions and to provide their perspectives on present difficulties within the box. It was once meant that the result of the exchanges will be conveyed to others within the local international locations of the parti­ cipants. An try out used to be made to procure extensive illustration of disciplines in the zone of the Institute and this can be mirrored within the variety of the chapters during this ebook. huge curiosity has been generated lately about the improvement and plasticity of imaginative and prescient. possibly now not all at once, in addition to the excessive point of task during this box, there were so me debatable findings.

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W. R. Levick, and K. J. Sanderson (973). Properties of sustained and transient ganglion cells in the cat retina. 1. Physiol. 228:649-680. Cragg, B. G. (975). The development of synapses in the visual system of the eat. 1. Comp. Neur. 160:147-166. Donovan, A. (966). The postnatal development of the cat retina. Expt'l. Eye Res. 5:249-254. Freeman, R. , and C. E. Lai (978). Development of the optical surfaces of the kitten eye. Vision Res. 18:399-407. Hughes, A. (976). A supplement to the eat sehematic eye.

Rusoff, unpublished observations) and 28 mm in the adult cat (Hughes, 1976), the increase in total length is about 23%; the two percentages are essentially equivalent, suggesting that each part of the retina stretch es about 20% in the linear dimension. However, Tucker did not measure the total length of the retina in the eyes she studied. Since different histological procedures produce different retinal lengths in eyes from animals of the same age (Johns, Rusoff, and Dubin, in preparation), the pattern of retinal growth cannot be determined by comparing the measurements made by Tucker with retina!

The responses of each cell to a battery of tests were used to assign the cell to one of the classes of ganglion cells-brisk X, brisk Y, or sluggish; the cells which did not fit these categories were classified as unknown. Then the sizeof the receptive-field center of each cell was measured using an area-threshold technique (Cleland, Levick, and Sanderson, 1973; Rusoff and Dubin, 1977). The size of the receptive-field center of each ganglion cell is shown in Fig. 4, plotted as center diameter in degrees of visual angle versus the age of the kitten; cell type is indicated by the different symbols, as noted on the figure.

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Developmental Neurobiology of Vision by H. B. Barlow (auth.), Ralph D. Freeman (eds.)

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