The appearance of New Foundations for Psychoanalysis in 1987 marked the beginning of five years that may be the period of Laplanche's greatest synthetic creativity during which he articulated the central concepts of his thinking. Along with New Foundations this period saw the seminar on apr s-coup of 1989-1990-later published as Probl matiques VI; the seminar of 1991-1992 published as Probl ma-tiques VII: Le fourvoiement biologisant de la sexualit...