Ferree, Clarence Errol, Rand, Gertrude, b.1886 · New York, etc. · leaf 75
the change in size. Even cluded in the area stimulated are if the first view as stated above cor- equally sensitive. rectly represents the law of response (2) If on the other hand it be con- of nervous structures, the conditions ceived that the receptors act indepen- for its fulfillment would not… … ig. 4. Effect of size of stimulus on fields for red. For these and Fig. 5 and Fig. 6 white preexposure and surrounding field. over the receiving surface. Uniform fective factor in determining the re- sensitivity occurs over very limited sponse of the sense organs. In this areas in the retina. case…
Ophthalmology · Vision · Color vision
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