With the duration-frequency complementarity they introduce, the long sessions give the associative dynamic a rhythmicity and continuity which render the work more physiological. For their part, the technical supports reinforce this associative surplus value and add both coherence to the interactions between psyche, body, and reality, and cohesion between the onto- and phylogenesis.
In every time and every place, humans have wondered about their dreams. Mythologies, prophecies, and religions of every culture have taken an interest in dreams, referring to them directly or through allegories, and even going as far as using them for material purposes. However, the merit of discovering and formulating the personal meaning of the dream, its infantile and sexual origin, and its unconscious dimension, lies with Freud.