PSY100H1 Chapter Notes - Chapter 6: Binocular Vision, Euclidean Geometry, Binocular Summation
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PSY100H1 Full Course Notes
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Chapter 6 space perception and binocular vision. Realism: philosophical position arguing that there is real world to sense. Positivists: philosophical position arguing that all we really have to go on is evidence of senses, so world might be nothing more than elaborate hallucination. Euclidean: referring to geometry of world, so named in honor of euclid, the ancient greek geometer of the 3rd century bce. In euclidean geometry, parallel lines remain parallel as they are extended in space, objects maintain same size and shape as they move around in space, the internal angles of triangle always add to 180 degrees and so forth. Geometry of retinal images of that world is decidedly non-euclidean: geometry becomes non-euclidean when 3 dimensional world is projected onto curved, 2 dimensional surface of retina. Retinal area occupied by an object gets smaller as the object moves farther away from the eyeball. We reconstruct the world from 2 non-euclidean inputs 2 distinct retinal images.
