The Truman Doctrine--a policy of supporting anticommunist regimes with military and economic aid. The Doctrine was first used in support of democratic governments in Greece an â¦ d Turkey. It's purpose was to protect US interests abroad and prevent communism from taking over more areas in Europe and Asia.
They occur when your mind do not switch back to the conscious state. Some of the causes of hallucinations are being drunk; cease using the drugs such as marijuana, cocaine, LSD, PCP, amphetamines, alcohol, ketamine and heroin. Dementia is the common disorder that can often lead to hallucinations.
A hallucinogen is a psychoactive agent which can cause hallucinations, perception anomalies, and other substantial subjective changes in thoughts, emotion, and consciousness .The common types of hallucinogens are psychedelics, dissociatives, or deliriants.ertain hallucinogens, such as PCP, act through a glutamate receptor in the brain which is important for perception of pain, responses to the environment, and learning and memory.