Localization = Depth Perception. 186-190 Perceiving distance – babies can do it from the time they are able to crawl 3-D characteristics Visual Cliff
How do we transform two-dimensional objects to three-dimensional perception? Accomodation – lens of eye flat = distant object. Lens thickens = nearby object Binocular Cues: depth cues that depend on two eyes Monocular Cues: depth cues that depend on one eye
Binocular Cues Binocular Disparity – Slightly different image is cast on the retina of each eye. 2 images different – close to us.
Finger Sausage Illusion Stand or sit still and extend your arms out in front, with your index fingers pointed at each other in front of your face at eye-level. Finger tips should be about 1-inch apart. Now focus your attention beyond your fingers into the distance. Between your fingers you will see a floating finger form in the overlapping region, as illustrated by the image at the left.
Binocular Cues Convergence – the more the eyeballs rotate inwards, closer object perceived to be
Perceptual Interpretation Perceptual Adaptation (vision) ability to adjust to an artificially displaced visual field Perceptual Set a mental predisposition to perceive one thing and not another
Perceptual Set: Schemas Schemas – a mental web of associations What you see in the center is influenced byperceptual set