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9 Cards in this Set
- Front
- Back
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Sensation
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Is the taste, touch, sound, smell, or look of an object. It is the information that is carried to our CNS
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Perception
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the process of interpreting these sensations into meaningful characteristics
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Rods
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Receptor cells in teh retina, located mainly around the sides, that transduce light energy into neural messages; these visual receptors are highly sensitive and are active in dim light
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Cones
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Receptor cells in the central portion of the retina that transduce light energy into neural messages; they operate best when light levels are high, and they are primarily responsible for the ability to sense color
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Trichromatic theory
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Theory of color vision proposing that color information is extracted by comparing the relative activations of three different types of cone receptors
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Opponent process theory
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Theory of color vision proposing that cells in the visual pathway increase their activation levels to one color and decrease their activation levels to another color- for example, increasing to red and decreasing to green
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Top down processing
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Processing that is controlled by one's beliefs and expectations about how the world is organized
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Bottom Up
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Processing that is controlled by the physical message delivered to the senses
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Gestalt principles of organization
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The organizing principles of perception that include the laws of proximity, similarity, closure, continuation, and common fate
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