While describing how the visual system works, Dr. Ong explained the texture occlusion clarity and shading are all blank cues to depth
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Babies are not able to fully interpret perspective or depth information from the environment until they are a few months old; for example, they will not be able to understand an occluded object does not simply have gaps in it. What do you think underlies the development of visual perception?
Sri K.
42) In normal humans, color space has 3 dimensions (3 primaries can match all colors) because (a) our perceptions are related to objects in the real world. (b) each retina is a two-dimensional representation of the world, but we have two eyes. (c) the retina contains three types of cones, or functions as if this were true. (e) None of the above. 43) The spectral sensitivity of a single cone depends on (a) the spectral absorption curve of the photopigment it contains. (b) whether it is light or dark adapted. (c) whether it is part of the center or surround of a receptive field. (d) the wavelengths of the lights in a trichromatic mixture. 45) Two people stand in the corners of the Ames trapezoidal room; when they are viewed monocularly, the one that appears much taller is perceived as being (a) much closer and hence seems taller. (b) much farther and hence seems taller. (c) at the same distance as the other person even though the retinal image of him is larger. (d) taller because the room appears to be distorted. 52) If all the receptors in a person's retina contain the same photopigment, that person will (a) have some color vision, but only if the stimuli are presented to the fovea. (b) have some color vision, but only when fully light-adapted. (c) be color-blind because all receptors would respond equally to any stimulus. (d) be partially color-blind, because long wavelength photons are always less energetic. 58) Preattentive processing of the visual image (a) is a parallel process allowing processing of many targets at the same time. (b) refers to primitives that are combined in a slower focused-attention stage. (c) is pop-out segregation of objects seen in crossed disparity. (d) All the above are true. 60) In his approach to depth perception, J.J. Gibson emphasized the importance of texture gradients in a scene because (a) they are very important for the correct operation of binocular stereopsis. (b) the depth information from the texture of the ground usually remains constant provided the elements of the texture all have the same physical dimensions. (c) interposition cues are more important when a texture gradient is present. (e) None of the above.
Adi S.
describe the visual perdition hypothesis
Jennifer S.
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