Term
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Definition
| Stimulation of a sense organ |
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Term
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Definition
| Organization and interpretation of sensation |
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Term
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Definition
| Smallest amount of a signal that we can just barely detect |
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Term
| Just Noticeable Difference |
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Definition
| Change in a stimulus that can just be detected by the organism |
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Term
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Definition
| Just noticeable difference of a stimulus is a constant proportion of the original intensity of the stimulus |
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Term
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Definition
| Protects eye and begins to focus incoming light |
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Term
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Definition
| Small opening in the center of the eye |
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Term
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Definition
| Colored part of the eye that controls the size of the pupil by constricting of dilating |
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Term
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Definition
| Focuses incoming light on the retina |
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Term
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Definition
| Layer of tissue at the back of the eye. Images appear upside down and backward |
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Term
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Definition
| Sends visual information to the brain via the thalamus. Responsible for blind spot in our vision |
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Term
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Definition
| No photoreceptor cells. Where optic nerve leaves the retina. |
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Term
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Definition
| Black, white, and grey. See in the dark. Detects when something is there. |
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Term
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Definition
| Fine detail and colors. Closer to center of the eye. |
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Term
| Trichromatic Color Theory |
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Definition
| What color we see depends on the mix of signals from 3 types of cones (Blue, Green, Red) |
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Term
| Opponent Process Color Theory |
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Definition
| We analyze sensory information in 3 sets of opponent colors. White-Black, Red-Green, Yellow-Blue. Explain after images. |
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Term
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Definition
| A meaningful, organized whole |
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Term
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Definition
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Term
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Definition
| put similar items together |
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Term
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Definition
| Put nearby figures together |
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Term
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Definition
| Perceive depth using 1 eye, relative size (smaller/further). Interposition - object overlapping is closer |
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Term
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Definition
| Caused by retinal disparity - requires 2 eyes |
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Term
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Definition
| Unit of relative loudness |
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Term
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Definition
| Degree of sound volume, how many hair cells are vibrating |
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Term
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Definition
| Sweet, salty, sour, bitter, spicy, and umami |
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Term
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Definition
| An error in perception that occurs when we misperceive sounds because the audio and visual parts of the speech are mismatched. |
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Term
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Definition
| Ability to focus on some sensory inputs while ignoring others |
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Term
| Cocktail Party Phenomenon |
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Definition
| When you hear your name mentioned by someone in another part of the room even when talking to someone else |
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Term
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Definition
| A decreased sensitivity to a stimulus after prolonged exposure |
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Term
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Definition
| Monocular depth cue of linear perspective leads us to believe that, given two similar objects, the distant one can only cast the same size retinal image as the closer object if it is larger. |
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Term
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Definition
| One line looks longer when arrow ends are added |
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Term
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Definition
| When we experience something that doesn't exist or is incorrect |
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