Imagine that you are standing on a pair of railroad tracks. As you look down at your feet, the tracks look a certain distance apart. As you lift your head and watch the tracks move away from you, they appear to get closer together until they converge at the farthest point. This bit of visual trickery is called
a. the texture gradient.
b. the linear perspective.
c. the retinal disparity.
d. the visual cliff.
Question 2
Genetic components or causes for ADHD
a. have been found in boys, but not in girls.
b. have not been found in either sex.
c. may be related to how the brain processesdopamine and serotonin.
d. can be treated with behavioral therapies.