The World Perceived by Matteo Is Different from the World

question 107

Multiple Choice

The world perceived by Matteo is different from the world perceived by most; he can only see black, white, or shades of gray. What can we conclude about Matteo?

• A) His retina is void of at least one type of rod.
• B) His retina is void of at least two types of rods.
• C) His retina is void of at least one type of cone.
• D) His retina is void of at least two types of cones.