History of the brainstem-A developing concept throughout the history of medicine.

The chapter explores the historical journey of the discovery and understanding of the brainstem, including its anatomy, physiology, and vital functions. It highlights key milestones, advancements in medicine and philosophy of science, from ancient Greece with figures like Galen, to the scientific leap starting at the Renaissance period with Vesalius, Mondino de Luzzi, Willis, and others providing detailed descriptions of the brainstem and cranial nerves. The 18th century marked a significant development with the invention of the microscope, leading to a deeper understanding of the brainstem's infrastructure and its role in regulating vital functions. Contributions from notable figures in neuroscience continued in the 19th and 20th centuries, shaping our modern concept of the brainstem.