Final answer:
Hallucinogens are drugs that cause perceptual alterations and hallucinations, such as LSD or PCP.
Explanation:
Hallucinogens are substances that alter a person's perceptions, often creating hallucinations or distorting their sense of time. Examples include lysergic acid diethylamide (LSD), phencyclidine (PCP), and ketamine, known as psychedelic drugs.
Learn more about Hallucinogens here:
https://brainly.com/question/36532601
