What are hallucinogens

A)  drugs derived from opium that are capable of relieving pain 
B)  drugs that tend to increase central nervous system activation and behavioural activity 
C)  drugs derived from the hemp plant 
D)  drugs that cause distortions in sensory and perceptual experience

Hallucinogens

A class of psychoactive substances that induce perceptual and cognitive alterations, often resulting in visual or auditory hallucinations.

Sensory Experience

The perception and interpretation of information gathered through the senses, such as sight, hearing, smell, taste, and touch.

Perceptual Experience

The subjective interpretation and awareness of sensory information, which forms the basis for understanding the environment and making judgments about it.