People Stare at a Pattern of Narrow Black-And-White Lines for a Minute

Multiple Choice

People stare at a pattern of narrow black-and-white lines for a minute and then look at some wider lines. The second set of lines appears even wider than usual to them. Why?

A) Staring at the first set of lines led to the phenomenon of induced motion.
B) Staring at the first set of lines produced sensory adaptation.
C) Staring at the first set of lines fatigued certain feature detectors.
D) Staring at the first set of lines changed these people's psychophysical function.