Drugs and the Neuroscience of Behavior: An Introduction to Psychopharmacology offers a highly current and accessible overview of the fundamental concepts and principles of psychopharmacology. Author Adam Prus integrates approachable descriptions of drug action with historical context to help students understand the evolution of drug treatments and usage up to the current day. The Fourth Edition reflects a variety of developments including changes in the usage of nicotine and Delta-8-THC, additional clinical applications of psychedelics and gabapentin, and the discovery of new treatments for mental disorders using novel pharmacological approaches. Additionally, it incorporates updated statistics, changes in international law, and new information from DSM-5-TR.