Prerequisite(s): PSYC 203. This course is designed as an introduction to the field of Psychopharmacology, which is an area of study that lies at the union of the study of behavior and mental phenomena (Psychology), the nervous system (Neuroscience), and drug actions (Pharmacology). This course is designed to provide students with the concepts required to understand how drugs can alter the function of the nervous system. Additionally, the class will give students an overview of the process of discovering and developing novel drug treatments for psychiatric illnesses, what substance use disorders are, and the biological ways in which drugs can drive addiction. Finally, the course will discuss several classes of psycho-active drugs from historical, regulatory, psychological, and biological perspectives. The drug classes surveyed will include legal treatments for psychiatric diseases, as well as legal and illegal substances that are commonly abused.