mental health disorders
Personality and Behavior Changes
Hallucinations
Hallucination refers to hearing, seeing, smelling, tasting, or feeling things that are not actually there. That is, people perceive things, seemingly through their senses, that are not caused by an outside stimulus. Any sense can be involved. The most common hallucinations involve hearing things (auditory hallucinations), usually voices. The voices often make derogatory comments about the person or command the person to do something. Not all hallucinations are caused by a mental disorder. Hallucinogens , such as LSD, mescaline, and psilocybin, are referred to as hallucinogens because they can cause visual hallucinations. Some types of hallucinations are more likely to be caused by a 