Drugs that cause _________, i.e.. they cause the user to perceive things differently from the way that they really are.
hallucinations
What is a sensory experience of something that does not exist outside the mind.
Hallucinations
A Transposition of the senses, such as
hearing colors,
seeing or smelling sounds.
A person might see a flash of color
whenever the telephone rings.
Synesthesia
Natural Hallucinogens
Peyote