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25 Cards in this Set

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