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the opening int he center of the iris that helps regulate the amount of light passing into the rear chamber of the eye
the neural tissue lining the inside back surface of the eye; it absorbs light, processes images, and sends visual information to the brain
a tiny spot in the center of the retina that contains only cones, visual acuity is greatest at this spot
receptive field of a visual cell
the retinal area that, when stimulated, affects the firing of that cell
the point at which the axons form the inside half of each eye cross over and then project to the opposite half of the brain
neurons that respond selectively to very specific features of more complex stimuli
subtractive color mixing
works by removing some wavelength of light, leaving less light than was originally there
additive color mixing
works by superimposing lights, putting more light int he mixture than exists in any one light by itself
holds that the human eye has three types of receptors with differing sensitivities to different light wavelengths
opponent process theory
holds that color perception depends on receptors that make antagonistic responses to three pairs of colors
a drawing that is compatible with two different interpretations that can shift back and forth
which involves the failure to see fully visible objects or events in a visual display because one's attention is focused elsewhere
the process of detecting specific elements in visual input and assembling them into a more complex form
an inference about what form could be responsible for a pattern of sensory stimulation
involves interpretation of visual cues that indicate how near or far away objects are
refers to the fact that objects within 25 feet project images to slightly different locations on the right and left retinas, so the right and left eyes see slightly different views of the object
is a tendency to experience a stable perception in the face of continually changing sensory input
involves an apparently inexplicable discrepancy between the appearance of a visual stimulus and its physical reality
are objects that can be represented in two-dimensional pictures but cannot exist in three-dimensional space
runs the length of the spiraled cochlea, holds the auditory receptors, called hair cells
holds that perception of pitch corresponds to the vibration of different portions, or places, along the basilar membrane
holds that perception of pitch corresponds to the rate, or frequency, at which the entire basilar membrane vibrates
involves making a large request that is likely to be turned down as a way to increase the chances that people will agree to a smaller request later
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