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25 Cards in this Set
- Front
- Back
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__________ is the encoding into nervous system
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Sensation
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__________ is the understanding of what is sensed.
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Perception
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A shutter, letting in more or less light.
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Pupil
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Changes shape ot let us focus
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Lens
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Where we detect light and preprocess it for the brain.
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Retina
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Center of the retina.
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Fovea
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The _____ divides labor between the two types of cells: rods and cones.
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Retina
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This type of cell adapts for dim light
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Rods
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This type of cell shows color.
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Cones
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_____ are in fovea (center of retina).
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Cones
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We can see only ___ - ___ nanometers of visable light.
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300-700
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What are the three types of Cones?
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1.Long Wavelengths
2.Short Wavelengths 3.Medium Wavelengths |
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This test is for color blindness.
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Ishihara Test
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Color blindness is more common in men because it effects what?
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The X Chromosome
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Color Blindness is caused because:
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Cones can be fatigued by repeated firing.
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_____ & _____ are famous for opening cat skulls and monkey skulls in live anaimals to attach electrodes to neurons in visual cortex.
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Hubel and Wiesel
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Hubel & Wiesel found that specific cells respond to _________.
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Specific Features
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Bottom-Up Perception means:
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Dots into retina, features detected, objects then recognized.
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_______ vs. _______ means making sense of vision means dividing the world into 2 things.
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Figure vs Ground
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Figures are _______
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Important Objects
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Ground means _________
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Background
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What 3 Clues lead to recognizing how big something is and how far away it is?
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1. Size of image on Retina
2. Retinal disparity 3. Motion Parallax |
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The phase shift between your two eyes is called what?
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Retinal Disparity
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The idea that far away things move by slower than nearby things is called what?
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Motion Parallax
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____________ plays are roll in detecting figure vs. ground.
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Higher-Order Cognition
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