Explore a comprehensive lecture on LISA (Laser Interferometer Space Antenna) analysis and cosmological backgrounds, presented by Neil Cornish from Montana State University. Gain insights into the global perspective of gravitational wave detection and its implications for understanding the universe. Delve into the complexities of LISA's data analysis techniques and learn how they contribute to the study of cosmological backgrounds. Discover the latest advancements in gravitational wave research and their potential impact on our understanding of the cosmos. This 36-minute talk, delivered at the Meeting of the National Research Group on Gravitational Waves at Institut Henri Poincaré in Paris, offers a valuable opportunity to expand your knowledge in the field of gravitational wave astronomy.