DVD: www.amazon.com thefilmarchived.blogspot.com The general group of pharmacological agents can be divided into three broad categories: psychedelics, dissociatives, and deliriants. These classes of psychoactive drugs have in common that they can cause subjective changes in perception, thought, emotion and consciousness. Unlike other psychoactive drugs, such as stimulants and opioids, these drugs do not merely amplify familiar states of mind, but rather induce experiences that are qualitatively different from those of ordinary consciousness. These experiences are often compared to non-ordinary forms of consciousness such as trance, meditation, and dreams. Hollister's criteria for establishing that a drug is hallucinogenic is: 1. in proportion to other effects, changes in thought, perception, and mood should predominate; 2. intellectual or memory impairment should be minimal; 3. stupor, narcosis, or excessive stimulation should not be an integral effect; 4. autonomic nervous system side effects should be minimal; and 5. addictive craving should be absent. Not all drugs produce the same effect and even the same drug can produce different effects in the same individual on different occasions. Hallucinogenic substances are among the oldest drugs used by human kind, as hallucinogenic substances naturally occur in mushrooms, cacti and a variety of other plants. Numerous cultures worldwide have endorsed the use of hallucinogens in medicine, religion and recreation, to varying ...
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