Fool Your Vision to Find Out How It Works Quiz

a. Blindness can happen in people with perfectly functioning eyes that have, for example, damaged optic nerves or damage in the brain. b. The eye is the only organ involved in vision; the brain is only used for thinking about what you see. c. During reconstruction of an image, the three primary colors the eyes sense (red, green, and blue) are recombined, enabling us to see a whole range of colors. d. Light-sensitive receptor cells in the back of the eye convert visible light into electrical signals.

Correct.

Incorrect.

a. Afterimages are created because cone cells tire out. b. Afterimages are created because your brain combines information received from both eyes. c. Afterimages are created because specific color-sensitive area(s) in the brain is(are) fatigued. d. Afterimages cannot occur for black and white images.

Correct.

Incorrect.

a. light-sensitive cells in the eye tire out. b. whenever the brain combines information received from both eyes, illusions appear. c. your brain assumes both eyes are looking at the same object. d. information received from both eyes gets mixed up when transported to the brain.

Correct.

Incorrect.

a. The illusion is formed in the brain and is due to the brain making assumptions when combining the information received from both eyes into one image. b. The illusion is formed in the eye and is due to receptor cells registering information incorrectly. c. The illusion is formed due to light being reflected differently than usual and thus, not reaching the eye. d. As you see what is really there with each eye separately, this is not an illusion.

Correct.

Incorrect.

Fool Your Vision to Find Out How It Works Quiz

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