What if reality is not something we simply observe, but something we help create? This book explores the life and work of Jacobo Grinberg, a Mexican neuroscientist who dared to question one of science’s deepest assumptions: that consciousness is only a by-product of the brain. Long before ideas about simulated reality, observer participation, and information-based universes became popular, Grinberg was investigating how perception shapes experience and how the mind organizes the world we call “real.” Drawing from neuroscience, psychology, and the study of altered states of consciousness, he proposed that reality emerges through an interaction between the brain and a deeper informational structure he called the Syntergic Field. Rather than presenting mystical claims or easy answers, this book offers a thoughtful and balanced exploration of Grinberg’s ideas, his experiments, and the controversies surrounding his work. It examines: • How the brain constructs experience • Why consciousness remains one of science’s greatest unsolved problems • How perception influences what we call reality • Where Grinberg’s theories align with modern thinking,and where they challenge it This is not just a biography, and not a spiritual manifesto. It is an accessible investigation into the relationship between mind and world, written for curious readers who want to understand how consciousness shapes what we experience as reality. In an age of artificial intelligence, virtual environments, and increasing questions about what is truly “real,” Grinberg’s ideas feel more relevant than ever. If consciousness plays a role in shaping experience, then understanding consciousness may be the key to understanding reality itself.