A Study of Factors Involved in the Perception of Form

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University of Wisconsin--Madison, 1921 - 84 pages
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Page 7 - The retina is anaesthetic during rotational eye movement, so that if the fixation is disturbed, a longer exposure to the stimulus may be required for the accumulation of enough energy in the various synapses involved, to overcome the resistance of surfaces of separation.
Page 8 - Disturbances of accomodation operate so also by tending1 to equalize differences in brightness of the various portions of the stimulus as imaged on the retina.
Page 12 - It would appear from this and similar cases which have been recorded that stereoscopic vision depends on something more than the possession of binocular vision and the ability to appreciate differences in light and shade.
Page 3 - Troland, investigating at -arvard, says that if the quality of any visual sensation is determined by its position in an ideal three-dimensional scale having the coordinates hue, saturation...
Page 8 - The normal resting period of the eye is but momentary, and any condition that increases the tir<e required for perception, even by a small amount, may tend to retard the normal eye-movement, and hence to induce excessive fatigue of the extrinsic muscles.

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