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18 Cards in this Set
- Front
- Back
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Top-down Processing |
a way of processing information in which your expectations or previous experiences influence what you perceive |
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Bottom-up processing |
a way of processing information in which what you sense becomes a perception with no influence of expectations or previous experiences |
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Sensation |
the ability of your sensory organs to pick up energy in the environment around you and transmit it to your brain |
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Perception |
the ability of your brain to interpret the raw sensations it has taken in |
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Absolute threshold |
the minimum level of a stimulus necessary for you to detect its presence |
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Difference threshold |
the smallest change in a stimulus necessary for you to detect it |
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Sensory Adaptation |
the tendency of your sensation of a stimulus to decrease when the stimulus remains constant |
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Selective attention |
paying more attention to one sensory channel than others |
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Perceptual Constancy |
your brain’s ability to maintain the same perception of an object even when conditions around it cause it to produce different sensations |
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Inattentional Blindness |
a failure to notice something in your visual field simply because your attention was focused elsewhere |
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Retina |
the rear part of the eyeball that receives visual stimulation and sends it to the brain via the optic nerve |
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Rods |
are receptor cells in the retina that detect shades of gray and allow us to see in low light |
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Cones |
are receptor cells in the retina that detect color when light is plentiful |
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Cochlea |
a spiral fluid-filled structure in the inner ear that sends sound waves to the brain via the auditory nerve |
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Olfaction |
Sense of smell |
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Gustation |
Sense of taste |
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Kinesthetic sense |
sense of the position and movement of your body parts |
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Vestibular sense |
Sense of balance |
