Seeing the colored traffic lights at an intersection as festival or holiday decorations rather than a warning of impending danger is a symptom of
a. narcotics.
b. hallucinogens.
c. stimulants,

I believe the answer is: Hallucinogens

Hallucinogens refers to the type of substance that could dramatically alter our emotions, thought, and consciousness. So, Consuming hallucinogens could make our brain perceive a certain object as another object.

The most common type of hallucinogens are psychedelics and deliriants.

answer; the above statement is (true);

answer; the trial de novo