“…As the dirt is an imagined possibility, subsequent cleaning rituals can never satisfactorily be completed (O'Connor, Aardema, Bouthillier, et al, 2005;O'Connor, Aardema, & Pellisier, 2005). Due to a distrust of sensory information in OCD, the woman can stop her rituals only when she reaches a "feeling" of completion (Wu, Aardema, & O'Connor, 2009). Therefore, the IBA postulates that the individual does not react to stimuli that are present, but to what may possibly be there even though their senses suggest otherwise e and so, paradoxically, the individual "fears not what they can see but what they cannot" (O'Connor & Robillard, 1995, p. 890).…”