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18 terms

psych sensation part 6

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binocular cues
depth cues, such as retinal disparity or convergence, that depend on the use of two eyes
retinal disparity
a binocular cue for perceiving depth; by comparing images form the two eyeballs, the brain computes distance- the greater the disparity (difference) between the two images, the closer the object
convergence
a binocular cue for perceiving depth; the extent to which the eyes converge inward when looking at an object. The greater the inward strain, the closer the object
monocular cues
depth cues, such as interposition and liner perspective, available to either eye alone
interposition
a monocular cue for perceiving depth; if one object partially blocks our view of another, it is perceived as closer
relative size
a monocular cue for perceiving depth; whereby larger objects are perceived as closer than smaller ones
texture gradient
a monocular cue for perceiving depth; a gradual change from a coarse distinct texture to a fine, indistinct texture signals increasing distance.
relative height
a monocular cue for perceiving depth; objects higher in our field of vision are perceived as farther away
relative motion
a monocular cue for perceiving depth; while you are moving, the nearer the object is, the faster it seems to move
linear perspective
a monocular cue for perceiving depth; the more parallel lines converge, the greater their perceived distance
light and shadow
a monocular cue for perceiving depth; a dimmer object seems farther away
motion perspective
8 monocular cues
phi phenomenon
the illusion of movement created by presenting visual stimuli in rapid succession; an illusion of movement created when two or more adjacent lights blink n and off in quick succession
perceptual constancy
perceiving objects as unchanging (having consistent lightness, color, shape, and size) even as illumination and retinal images change
perceptual adaption
in vision, the ability to adjust to an artificially displaced or even inverted visual field
perceptual set
a mental predisposition to perceive one thing and not another
extrasensory perception
ESP: telepathy, precognition, etc.
parapsychologists
those who study of paranormal phenomena