3.8 Into Our Brains
A. From Game to Brain
All the images we see from video games pass through our eyes. Our eyes send that light to our brains. Click on the parts of the eye to learn more about how it lets in light.Â
Think About It: Before you start, think about this: Why do our eyes hurt when we turn on the lights after being in the dark for a long time?
Now think about how the light that enters our eyes travels to our brain.Â
Directions: Try to complete the model below to show how our brain takes in light from video games and sends images to our brain. How do you think our brains see Shrek the Ogre?Â
B. How We See Color
Read the zine to check your thinking and see how our brains process light from video games.
Fact Finder: Now we’re going to read more about how we see color and how light enters our brains. As you read, write down any important information in the “Fact Finder” section of your Mission Log.
How does light travel to our eye and brain?
C. Inside Our Eye
The retina is at the back of the eye and uses sensors to help us see. These sensors turn light into electric signals and send those signals to our brains. People have three types of sensors or cones to help them see all colors. Some animals have only two cones, so they see fewer colors. Some animals have only one cone, and they can only see black and white.Â
Remember the penguins who played video games? They don’t see the same colors as people. Their retinas have fewer cones or sensors. That means their eyes send different color signals to their brains.Â
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Directions: Move the slider back and forth to see how the colors people see in video games are different from the colors animals see in video games. Which two colors can people see that some animals can’t see?
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