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Karteikarten von Gelöschter Nutzer, aktualisiert more than 1 year ago
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Erstellt von Tasha Frisbee
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Kopiert von Tasha Frisbee
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| Frage | Antworten |
| True or False Your eyes send information to your brain where it is processed and returns a realistic representation of what is there. | False Your brain creates shortcuts to process an estimated 40 million sensory inputs every second. It uses rule of thumb that's based on past experiences to make guesses of what you're actually seeing. |
| What do you see? Do you see a white triangle on top of another triangle? Do you see a square? | The Kanizsa figures, developed by Italian psychologist Gaetano Kanizsa in 1955, are prime examples of how your brain is processing what is actually there as something else. There are no triangles or rectangle, just lines with gaps in them and circles that look like pacman. |
| What phrases do you read from these images? | The use of shapes and colors can influence what people see, causing them to see different things first. |
| Which line is longer? | Both lines are the same length. An optical illusion represents how the brain can misinterpret what the eyes are seeing. This is one of the oldest optical illusions known, created by Franz Muller-Lyer in 1889. |
| True or False If you don't focus on the area you want to see in low light, you'll see it better. | True There are 7 million cones in the eye that are sensitive to bright light and 125 million rods that are sensitive to low light. Since the cones are in the central area of vision and the rods are not, you'll see better in the area you aren't focusing on. |
| True or False Our eyes see three dimensional objects. | False When light enters our eyes through the cornea and lens, the lens always focuses a two dimensional image on the retina. It's then that our brains ( where the visual cortex is) recognize patterns and allows us to associate the 2D image with a 3D actuality. Like when we see a closed door. We see a rectangle, but our brain knows it's a door that can open. |
| True or False The visual cortex in the brain is responsible for combining tracks of information into two main groups: movement and location. | True John Medina concluded this in 2009. Up to 12 tracks that lead to the visual cortex can be formed by electrical patterns sent to the retina. Different regions process the information such as a region that responds to only motion, one that responds to color, one can respond to only 40 degree lines, one to only edges and so forth. They combine to tell you if the object is moving and where the object is compared to where you are. |
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