Le primat de la perception is a foundational philosophical text by Maurice Merleau-Ponty that explores the role of perception as the primary mode of access to reality. Originally published as an article in 1947, it was later released as a standalone volume and has since become a key work in phenomenology and existential philosophy. The book argues against Cartesian dualism and positivist objectivity, asserting that lived experience and bodily engagement with the world precede abstract thought. Merleau-Ponty examines how perception is not merely a passive reception of sensory data but an active, embodied process that structures our understanding of self and world. Drawing on psychology, neurology, and philosophy, he develops a nuanced account of subjectivity rooted in corporeality. This concise yet dense work laid the groundwork for his later magnum opus, Phenomenology of Perception, and remains essential reading in continental philosophy.