Monocular cues require only one eye and include relative size, height, interposition, linear perspective, light and shadow, motion parallax. Binocular cues require both eyes and include retinal disparity and convergence.
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Compare monocular and binocular cues.
Monocular cues require only one eye and include relative size, height, interposition, linear perspective, light and shadow, motion parallax. Binocular cues require both eyes and include retinal disparity and convergence.
Compare perceptual constancy and perceptual adaptation.
Perceptual constancy is seeing objects as stable despite changes; perceptual adaptation is adjusting to new sensory input.
Compare sensation and perception.
Sensation is the bottom-up process of detecting stimuli. Perception is the top-down process of interpreting stimuli.
What is the effect of retinal disparity on depth perception?
Greater retinal disparity leads to the perception of objects being closer.
How does damage to visual cortex affect perception?
Can cause inability to perceive motion, depth, or recognize objects.
What is the effect of stroboscopic movement on our perception?
It creates the illusion of continuous motion from a series of still images.
How does context affect perceptual constancy?
Context can influence how we perceive an object's size, shape, or color, even if the actual stimulus remains the same.
How do changes in illumination affect color perception, and how does color constancy counteract this?
Changes in illumination can alter the wavelengths of light reflected by an object, potentially changing its perceived color. Color constancy allows us to perceive familiar objects as having consistent color despite these changes.
How do artists use linear perspective?
To create a sense of depth in paintings by making parallel lines converge.
How is the Phi phenomenon used in advertising?
To create the illusion of movement with blinking lights to attract attention.
Give an example of perceptual adaptation.
Getting used to wearing new glasses that initially distort your vision.
How do magicians use Gestalt principles?
To manipulate our perception by creating illusions that exploit how we group and organize visual information.
How does retinal disparity help us in everyday life?
It allows us to accurately judge distances, like when reaching for a cup or catching a ball.
How does brightness constancy help us?
It allows us to identify objects regardless of lighting conditions.