“…He was in no way loath to theoretical amendments, and indeed some of his constructs underwent considerable change. For instance, his concept of dissociation was groundbreaking, and had a major influence on Breuer and Freud (Thoret et al 1999). 21 However, at least according to Hacking (1998: 212, n. 61), there are hints that by 1937 "Janet had long [...] dumped dissociation as a valuable concept."…”