News tagged with hallucinogenic
Hallucinogen
This 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:
Not all drugs produce the same effect and even the same drug can produce different effects in the same individual on different occasions.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
Your brain on 'shrooms: fMRI elucidates neural correlates of psilocybin psychedelic state
(Medical Xpress) -- Psychedelic substances have long been used for healing, ceremonial, or mind-altering subjective experiences due to compounds that, when ingested or inhaled, generate hallucinations, perceptual ...
Neuroscience
Feb 29, 2012 |
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Single dose of hallucinogen may create lasting personality change
A single high dose of the hallucinogen psilocybin, the active ingredient in so-called "magic mushrooms," was enough to bring about a measureable personality change lasting at least a year in nearly 60 percent of the 51 participants ...
Psychology & Psychiatry
Sep 29, 2011 |
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Ketamine helps see how the brain works in clinical depression
(Medical Xpress) -- In a new study published in Nature, Lisa Monteggia from the University of Texas Southwestern Medical Center looks at how the drug ketamine, typically used as an anesthetic or a popular recreational drug f ...
Medical research
Jun 16, 2011 |
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Study solves structure of 'salvia receptor', reveals how salvinorin A interacts with it
At the molecular level, drugs like salvinorin A (the active ingredient of the hallucinogenic plant Salvia divinorum) work by activating specific proteins, known as receptors, in the brain and body. Salvin ...
Medical research
Mar 21, 2012 |
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First and only study on harmful effects of infants prenatally exposed to ecstasy
A study led by Case Western Reserve University School of Medicine, in collaboration with the University of East London UK, and Swansea University UK, is the first to show the effects of the drug ecstasy on fetal and infant ...
Addiction
Feb 28, 2012 |
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Researchers tackle designer drug craze
(Medical Xpress) -- President Obama signed a bill into law this week designating certain chemicals found in designer drugs as FDA-controlled substances.
Addiction
Jul 16, 2012 |
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The mysterious GRIN3A and the cause of schizophrenia
Since the 1960s, psychiatrists have been hunting for substances made by the body that might accumulate in abnormally high levels to produce the symptoms associated with schizophrenia. In particular, there was a search for ...
Psychology & Psychiatry
Mar 14, 2013 |
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Brain cell signal network genes linked to schizophrenia risk in families
New genetic factors predisposing to schizophrenia have been uncovered in five families with several affected relatives. The psychiatric disorder can disrupt thinking, feeling, and acting, and blur the border ...
Psychology & Psychiatry
Apr 03, 2013 |
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