PHYSIOLOG Y: CROZIER AND WOLF ON THE D UPLEXITY THEORY OF VISUAL RESPONSE IN VERTEBRA TES. II By W. J. CROZIER AND E. WOLF
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Theory and Measurement of Visual Mechanisms X. Modifications 0]~ the Flicker Response Contour, and the Significance of the Avian Pecten by W. J. Crozier and Ernst Wolf
The retina of the zebra finch Taeniopygia castinotis (Gould) contains visual ceils histologically of one general type only (cones), although some of these are differentiated by oil droplets; some are "double" cones; the retina has a well developed fovea. In keeping with the subsequently observed simplex character of the primary photoreceptor population, the flicker response contour (F vs. log I...
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For animals with simplex, structurally uncomplicated, visual systems the dependence of critical intensity I upon flash frequency F in reaction to visual flicker is described by a single symmetrical probability integral in log I. 1 Vertebrates with duplex visual systems exhibit two such segments, overlapping to various degrees. The parameters of the curve are known to be modifiable as functions ...
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London: Kegan Paul, 1936; Jung, C. G., Psychological Types, New York, Harcourt Brace, 1923, are well-known examples of this approach. 3Chapple, E. D., Proc. Nat. Acad. Sci., 25, 2, 1939. 4 Crozier, W. J., and Hoagland, H., "The Study of Living Organisms," in Murchison, C., A Handbook of General Experimental Psychology, Worcester, Mass., Clark University Press, 1934, p. 3 and ff. 6 Crozier, W. J...
متن کاملTemperature and Critical Illumination for Reaction to Flickering Light Vi. Flash Dui~tio~ Varied by W. J. Crozier and Ernst Wolf
For animals with simplex, structurally uncomplicated, visual systems the dependence of critical intensity I upon flash frequency F in reaction to visual flicker is described by a single symmetrical probability integral in log I. 1 Vertebrates with duplex visual systems exhibit two such segments, overlapping to various degrees. The parameters of the curve are known to be modifiable as functions ...
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Determinations of the flicker response curve (F - log I(m)) with larvae of Anax junius (dragonfly) for various ratios t(L)/t(D) of light time to dark time in a flash cycle provide relations between t(L)/t(D) and the parameters of the probability integral fundamentally describing the F - log I function, including the variability of I. These relations are quantitatively of the same form as those ...
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