After a brief review of literature, the authors report a case of the "Lasthénie de Ferjol" syndrome. From clinical observations, they establish theoretical landmarks and underline the necessity for searching the meaning.
Collin, A., De Buck, R., & Cassiers, L. (1991). Le syndrome de Lasthénie de Ferjol. A propos d’une observation. Annales médico-psychologiques, 149(8), 674-80; discussion 680-1. https://hdl.handle.net/2078.5/84882 (Original work published 1991)