Louis Sass challenges standard psychiatric understanding of schizophrenia by arguing that many of its features involve sophisticated, albeit dysfunctional, forms of consciousness and self-reflection rather than simple cognitive deficits. Drawing on phenomenology, philosophy of mind, and close reading of patients' self-reports, Sass shows that schizophrenic experience often involves hyperreflexivity, an excessive awareness of normally automatic mental processes that disrupts their normal functioning. He finds striking parallels between schizophrenic thought and certain tendencies in modernist art and philosophy, suggesting that both represent extreme versions of possibilities inherent in modern consciousness. Sass examines how schizophrenic patients describe their experiences, taking seriously their accounts rather than dismissing them as mere symptoms. He explores the relationship between schizophrenic delusions and philosophical solipsism, between schizophrenic flattened affect and certain aesthetic stances, between thought disorder and avant-garde linguistic experimentation. The book challenges the view that mental illness represents simply the absence or corruption of normal mental functioning, suggesting instead that it may involve the exaggeration of capacities present in all human minds. Sass's approach has influenced subsequent psychiatric research and philosophy of mind, offering a more nuanced understanding of conditions often dismissed as incomprehensible.