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Sensation and Perception and Chemical Senses

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Term
Definition
show Information from the external world enters our body via sensory receptors for light, sound, touch, smell, and taste  
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show most reliable sense; devoted to visual processing; concerned with the detection of light stimuli  
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show determined by the wavelength of the light  
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saturation   show
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show determined by the intensity of the light (i.e., how many waves of this kind of light are there)  
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extraocular muscles   show
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show outer coating of the eye, attaches to muscles  
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show outermost mucous membrane of the eye  
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cornea   show
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show aperture that allows light into the eye (opening and closing is controlled by the iris)  
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lens   show
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vitreous humor   show
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show back layer of the eye that contains photoreceptors (rods and cones)  
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optic disk   show
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vergence movements   show
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show rapid back and forth movements used for scanning stimuli  
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show slower movements used for following objects through space, usually deliberate  
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photoreceptors   show
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bipolar cells   show
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show sensory neurons that form the optic nerve and enter the brain  
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horizontal cells   show
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show parallel connection of ganglion cells  
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show contains lamellae and photopigments  
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inner segment   show
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show the ability to perceive color is controlled by three receptor complexes with opposing actions  
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show our sense of taste  
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show smell; older in the evolutionary sense  
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audition   show
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Created by: senthis1
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