Edwin is able to see normally in low-light conditions and demonstrates a normal ability to detect movements in his periphery. However, he has great difficulty recognizing different colors. He sees the world mostly in shades of gray. Which structure is either impaired or not present in Edwin's eyes??
a. ?fovea
b. ?cornea
c. ?rods
d. ?cones
ANSWER:
d
Psychology
You might also like to view...
Research indicates that blogs can be an arena for preconventional reasoning
Indicate whether this statement is true or false.
Psychology
Children of parents who set rules with little justification and enforce them without explanation are more likely to have children who reach the achievement status
Indicate whether the statement is true or false
Psychology