Sight and Touch: An Attempt to Disprove the Received (or Berkeleian) Theory of VisionLongman, Green, Longman, Roberts, and Green, 1864 - 178 من الصفحات |
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عبارات ومصطلحات مألوفة
accuracy accurate angle apparent distance apparent magnitude appear Arthur Collier ascer association Berkeleian Berkeley Berkeley's binocular binocular vision Bishop Berkeley body born blind brightness centre ception circle colour consciousness convergence cornea corresponding cube degree diffusion direction distinct vision distinctly distinguish Donders double vision E. H. Weber effect estimate experience extension external fact feel figure former Græfe's Archiv hand horopter idea of distance idea of space illusion impression inches indistinct instance interval justment left eye lens less light limit locomotion look motion move nearer nerve ness object of sight observations optic optic nerve organ parallel patient pencil perceive distance perception of distance phenomenon plane proportion prove question Reid remarks retina right eye sensations of sight sense sensible single vision stereoscopic strabismus suggested supposed surface tactual tance theory tion Trans vergence visible visual axes visual perception visual sensations vividness yards
مقاطع مشهورة
الصفحة 169 - ... thrush feed theirs. Almost as soon as her chickens are hatched, she does not feed them, but carries them to the field to feed, where they walk about at their ease, it would seem, and appear to have the most distinct perception of all the tangible objects which surround them. We may often see them, accordingly, by the straightest road, run to and pick up any little grains which she shows them, even at the distance of several yards ; and they no sooner come into the light than they seem to understand...
الصفحة 18 - Music, when soft voices die, Vibrates in the memory — Odours, when sweet violets sicken, Live within the sense they quicken. Rose leaves, when the rose is dead, Are heaped for the beloved's bed; And so thy thoughts, when thou art gone, Love itself shall slumber on.
الصفحة 17 - ... their object in so lively a manner, that we could almost say we feel or see it: But, except the mind be disordered by disease or madness, they never can arrive at such a pitch of vivacity, as to render these perceptions altogether undistinguishable. All the colours of poetry, however splendid, can never paint natural objects in such a manner as to make the description be taken for a real landscape. The most lively thought is still inferior to the dullest sensation.
الصفحة 147 - We thought he soon knew what pictures represented which were showed to him, but we found afterwards we were mistaken; for about two months after he was couched, he discovered at once...
الصفحة 147 - ... but even then he was no less surprised, expecting the pictures would feel like the things they represented, and was amazed when he found those parts, which by their light and shadow appeared now round and uneven, felt only flat like the rest ; and asked which was the lying sense, feeling, or seeing...
الصفحة 166 - Children, however, appear at so very early a period to know the distance, the shape, and magnitude of the different tangible objects which are presented to them, that I am disposed to believe that even they may have some instinctive perception of this kind ; though possibly in a much weaker degree than the greater part .y> * of other animals.
الصفحة 169 - The young of several sorts of quadrupeds seem, like those of the greater part of birds which make their nests upon the ground, to enjoy, as soon as they come into the world, the faculty of seeing as completely as they ever do afterwards. The day, or the day after they are dropt, the calf follows the cow, and the foal the mare, to the field ; and though from timidity they seldom remove far from the mother, yet they seem to walk about at their ease ; which they could not do unless they could distinguish,...
الصفحة 142 - Hence we conclude, without reference to the perception of solidity at all, that if the blind are capable of acquiring the ideas in question, they will, on being made to see, be competent to name correctly the globe and cube which they have previously felt. Consequently if, upon being fairly examined, they appear incapable of doing so, it will follow that the defect is not in sight, but in touch, not in their new sense, but in their old ideas.
الصفحة 6 - ... facts revealed exclusively by the sense of touch. We judge an object to be more distant from us by the diminution of its apparent magnitude, that is, by linear perspective, or by that dimness or faintness of color which generally increases with distance, or, in other words, by aerial perspective.