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Hallucinogens (psilocybin, LSD and others) are often regarded as risky substances, therefore they are banned in most places.

Are there ways of using these substances that can be beneficial?
Or in other words can a hallucination, or a set of hallucinations, have a positive value?

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MDMA was known as "Empathy" before it became "Ecstasy" (I can't find a reference for the original name, but the history of it is on the Wikipedia page: en.wikipedia.org/wiki/MDMA) –  Chuck Sherrington Aug 19 '13 at 21:08
I removed the second part of this question as it seemed to me and others that it was a separate question. –  Josh Gitlin Aug 19 '13 at 21:17
@Aidis: apparently it may have helped create Apple and seen in the movie Jobs.... –  Greg McNulty Aug 20 '13 at 0:21
"Or in other words can a hallucination, or a set of hallucinations, have a positive value?" I think it is a bad formulation. Hallucinogens may have positive effect in doses which do not cause hallucinations. –  uhbif19 Dec 12 '14 at 18:13

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Hallucinogens play an important psycho-social role in many societies. Thier positive impact seem to be primarily religious. However they do play an important role in the lab inducing a state similar to psychosis. They also play a limited role in psychiatry. Psychedelic psychotherapy as the name suggested is the combination of hallucinogens with a form of psychotherapy. It is not widely practiced. Research into cannabidiol a cannabis constituent with anti-psychotic properties instead of the typical high anxiety and psychosis symptoms has been published. Eli Lilly tried to make a drug based on these glutamate receptors interactions called LY2140023. It was shown to be ineffective by itself. Many hallucinogens are used for alternative primary purpose like benadryl and nitrous oxide (laughing gas).

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Psychotroph substances assume to have a lot of potential.

Due they where banned pretty soon after their appearance in western culture, we know almost nothing about them. In some cultures there is a large knowledge about spiritual usage, but as it is in cultural things, near to none scientific research. In the UK they started research in the 1990s and it seems like LSD/Psylocibin (which seem to have nearby exact the same effect on our brain) can be used to tread phobia and psychcological traumata in manifold issues.

Albert Hofmann(who discovered LSD) said, LSD would not alter the consciousness but expand it. Like an catalystic converter wich is needet to use the full potential of our consciousness. In his book "LSD - Mein Sorgenkind" he wrote that the things a proband sees are not hallucination but input to his sensory organ which he doesn't know and wich might overexcite him. This catches up with expirienced users of such drugs(multiple 10 times to over 100 uses), wich tell that the chance of horrortrips lowered with every usage and also they gained the abillity to "controll" their expirience in some form.

Beside of this, there are many artists wich tell that their creativity expand under influence of LSD, and even a single use in lifetime had expand the creativity.

It's assumed that depressive people have a high chance to better their condition. But the chance of horrortrips, even if this chance is really low, is a too high risk to use it in that issue.

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Welcome to cogsci.SE! We encourage answerers to cite sources to back up assertions and provide further reading. –  Krysta Sep 30 '14 at 12:34

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