Table of Contents Introduction Table 1:Effects of LSD A Brief Foray Into Philosophy and the Cognitive Sciences The Suspects Figure 1: Structure of LSD Overview of Synaptic Transmission Theory: LSD Pre-synaptically Inhibits 5-HT Neurons Theory: LSD Post-synaptically Antagonizes 5-HT2 Receptors Figure 2: LSD Binding at 5-HT2 Receptor Theory: LSD Post-synaptically Partially Agonizes 5-HT2 Receptors Theory: LSD Post-synaptically Agonizes 5-HT1 Receptors Conclusion References Introduction The psychedelic effects of d-Lysergic Acid Diethylamide-25 (LSD) were discovered by Dr. Albert Hoffman …showed first 75 words of 4339 total…

…showed last 75 words of 4339 total…Autoreceptor" From: Green, A: Neuropharmacology of Serotonin 11.Glennon R (1990): "Do Classical Hallucinogens Act as 5-HT2 Agonists or Antagonists?" Neuropsychopharmacolgy 3(5-6):509-517 12.Green R, Heal D (1985): "The Effects of Drugs on Serotonin Mediated Behavioral Models" From Green, A: Neuropharmacology of Serotonin 13.Leysen J (1985): "Characterization of serotonin receptor binding sites" From Green, A: Neuropharmacology of Serotonin 14.Borne R. (1994) "Serotonin: The Neurotransmitter for the 90’s" URL: http://www.fairlite.com/ocd/artiles/ser90.shtml. From: Drug Topics Oct, 10 1994:108