<P> Salvia divinorum is a dissociative that is sometimes classified as an atypical psychedelic . The active molecule in the plant, salvinorin A, is a kappa opioid receptor agonist, working on a part of the brain that deals with pain . Activation of this receptor is also linked to the dysphoria sometimes experienced by users of opioids either therapeutically or recreationally . An unusual feature of S. divinorum is its high potency (dosage is in the microgram range) and extremely disorienting effects, which often include "entity contact", complete loss of reality - perception and user's experiencing their consciousness as being housed in different objects e.g. a pane of glass or a pencil . Additionally, ibotenic acid and muscimol, the active constituents of Amanita muscaria, may be regarded as psychedelic, dissociative or deliriant . </P> <P> Despite many psychedelic drugs being non-addictive and there being no evidence to support long term harm on mental health many of these drugs have been declared illegal under the UN Convention on Psychotropic Substances of 1971 . In addition, many countries have analogue acts that automatically forbid any drugs sharing similar chemical structures to common illicit substances regardless of whether they are harmful . </P>

What is the difference between a psychedelic and a hallucinogen