Peter Is a Retired Neuroscientist Who Has Painted as a Hobby

Multiple Choice

Peter is a retired neuroscientist who has painted as a hobby his whole life. He likes to think that he has implemented his science in his art and that he scientifically produces the best paintings possible. He also firmly believes that colours can drastically influence one's mood and behaviour. Now that he has retired, he hosts wine and painting nights at his house and he invites friends over to teach them a bit about painting.
-Unfortunately Peter pokes himself in the eye and has to wear an eye patch while his eye recovers.What will be missing from Peter's paintings while his eye heals

A) pictorial depth cues
B) motion parallax
C) linear perspective
D) retinal disparity