MCAT Question of the Day
    •

    Q:

    		 An after-image is a type of optical illusion where an image continues to appear (albeit briefly) even after exposure to the original image has ended. Which of the following best explains the green after-image one sees after staring at a red image for a long period of time?
    		 

    A

    		 Having two types of rod receptors

    B

    		 Color blindness

    C

    		 Black and white opponent processes

    D

    		 The same channel signalling information about two colors



    Sensory Processing |
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