The main feature of any of the substances labeled psychedelic is the enhancement of experience. Psychedelics have even been described as "instant experience.” These drugs seem to raise the level of respond to fine gradations of stimulus input, to enhance response to stimulation at the upper and lower levels of perceptual responding. In contrast, depressants, such as alcohol and the barbiturates, and narcotics, such as opium and morphine, reduce attention to stimulus input. This looks …showed first 75 words of 1171 total…

…showed last 75 words of 1171 total…research the scientific medicine could follow the exact way these drugs work and find out the good in them. ------------------------------------------------------------------------ **Bibliography** Reference list. Hallucinogens. (1998, February) [WWW document]. URL <http://sada.org/hallu.html> Keith A. Trujillo, Ph.D., and Andrea B. Chinn. (1996, October 2). Drugs and the brain, psychedelics. [WWW document]. URL http://www.csusm.edu/DandB/psychedelics.html Solomon H. Snyder. (1996, January) Drugs and the Brain [WWW document]. http://www.nejm.org/content/1996/0335/0026/TOC.asp