Book Definition:

Hallucinogens produce changes in the consciousness by altering perceptions, creating hallucinations, and distorting the boundary between self and external world.

In your own words:

  • This type of substance acts on the central nervous system; it alters a person's perception of reality.
  • Hallucinogens have been known to cause hallucinations.
  • They produce feelings of panic and stress, sometimes to the point of mocking [[#|schizophrenia]].
  • They are illegal in most countries because they are highly unpredictable and very dangerous.

Examples of hallucinogens:

  • LSD [acid] and PCP [phencyclidine, angel's dust] are common hallucinogens.
  • LSD (acid) makes you think that you can do the impossible.
  • Psilocybin (the active hallucinogenic compound in 'Magic Mushrooms') is a hallucinogen.
  • Cannabis- many people, I would imagine, do not realize that cannabis is actually a hallucinogen, most might even say that it actually doesnt alter your mind at all, that it just "makes you feel good". In reality, cannabis IS a hallucinogen. Its active main ingredient it THC (tetrahydrocannabinol) can cause different effects depending on the dose. For a small dose, the effects would be mild, including altered perception, sedation, pain relied, mild euphoria, and distortions of space and time (which are in fact similar to the effects of heroin. A [[#|larger]] dose may result in and uncomfortable mixture of anxiety, fear and confusion, as well as some [[#|temporary memory loss]].

Examples of effects of Hallucinogens:

  • An individual watching television and temporarily thinking they are the character they see (also known as Delusions)
  • Interference with depth perception.
  • Restricting attention through focusing on something else
  • [[#|Headaches]].
  • Hallucinations..


  • A study was done to show marijuana effect on automobile accidents and failed sobriety tests of standing balance. However, the extent to which the drug has additive effects measure is unknown. Twelve healthy subjects who regularly used both marijuana were tested while under the influence, the 3.3% THC dose increased body sway but did not affect brake latency. There were no additive drug effects on mood or behavior.overall, the THC effected body sway and reaction time, adversely effect driving.

Multiple Choice Questions
  1. Commonly used hallucinogens include all of the following EXCEPT
  • LCD
  • PCP
  • Cocaine ([[#|Answer]])
  • Mescaline
  • Cannabis