Explore the intricate workings of hippocampal memory, cognition, and sleep's crucial role in this comprehensive lecture by MIT's Matt Wilson. Delve into hippocampal structure, working hypotheses, and electrophysiology techniques. Examine microdrive data, population spikes, and their interpretation. Investigate O'Keefe's contributions and uncover the complexities of hippocampal coding. Gain valuable insights into the brain's memory processes and the significance of sleep in cognitive function.