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Psychology Ch.4

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
show illusion  
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show sensation  
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the brain's interpretation of raw sensory inputs   show
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the first step in sensation; converting external energies or substances into a "language" the nervous system understands, such as electrical signals within neurons   show
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show sense receptor  
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show sensory adaptation  
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study of how we perceive sensory stimuli based on their physical characteristics   show
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the lowest level of a stimulus that we can detect on 50 percent of the trials when no other stimuli of that type are present   show
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show JND just noticeable difference  
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show Weber's law  
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describes how we detect stimuli under uncertain conditions   show
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tendencies to make one type of guess over another when we're in doubt about whether a weak signal is present or absent under noisy conditions   show
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show specific nerve energies  
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show phosphenes  
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show synesthesia  
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show parallel processing  
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set formed when expectations influence perceptions   show
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show perceptual constancy  
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allows us to select one sensory channel and turn off the others   show
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views attention as a bottleneck through which info passes   show
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ability to pick out an important message   show
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show inattentional blindness  
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failure to detect obvious changes in one's environment   show
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show binding problem  
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colored part of the eye - controls how much light enters the eye   show
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show pupil  
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curved, transparent layer covering the iris and pupil - bends light to focus incoming visual image at back of the eye   show
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show lens  
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show retina  
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show fovea  
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show rods  
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show cones  
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the time it takes rods to gain their maximum sensitivity to light   show
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show optic nerve  
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place where the optic nerve connects to the retina   show
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our ability to use certain minimal patterns to identify objects using feature detection cells to see lines and edges   show
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Gestalt principles   show
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Gestalt: objects physically close to each other tend to be perceived as unified wholes   show
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show similarity  
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Gestalt: we still perceive objects as wholes, even if other objects block part of them   show
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Gestalt: when partial visual info is present, our brains fill in what's missing   show
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show symmetry  
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show figure-ground  
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an image we can perceive two ways   show
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the ability to see spatial relations in 3 dimensions   show
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depth cue that relies on one eye alone   show
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depth cue that relies on two eyes   show
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our sense of hearing   show
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show pitch  
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show loudness  
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the quality/complexity o the sound   show
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show outer ear  
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transmits sound from eardrum to inner ear; comprised of ossicles - hammer, anvil, stirrup   show
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sound is converted from vibrations to neural activity   show
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show cochlea  
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tissue containing the hair cells necessary for hearing   show
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show basilar membrane  
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specific place along the basilar membrane matches a tone with a specific pitch   show
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airborne chemicals that interact with receptors in the lining of our nasal passages   show
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tastes we can detect:   show
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sense receptor in the tongue that responds to tastes   show
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show pheromones  
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system we use for touch and pain   show
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Created by: rlhaas
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