[ABSTRACT] This study deals with the theoretical and conceptual bases of the clinical technique used to treat phobic disorders ?Exposure by fuse-link? (Garcia Losa, 1999, 2000) with the experimental support derived from four tangential therapeutic categories of behaviour that share the common denominator with ?Exposure by fuse-link? of supporting the thesis of its existence, in which the exposure to the stimuli that give rise to the fear represents the best strategy to make them loose their cata