In vivo flooding: in vivo flooding-prolonged intense exposure to actual anxiety. exposure to a highly anxiety evoking situation long enough to discomfort them and then naturally decline. could be short; generally need more sessions. versatile therapy that can be even administered by parents: response prevention: relapse prevention-specifically preventing clients from using their maladaptive coping habits. essential for in vivo flooding for ocd. ritual prevention keeps the client from performing their rituals. In contrast to self managed in vivo; difficult for clients. prozac used along with ocd; in vivo flooding can be just as good. being exposed fully; showed results in body dysmorphic that they all reduces their bad perceptions. those who had relapse prevention were better off at managing minor relapses; less self reported depression and anxiety: cue exposure: cue exposure-specialized form of exposure with response prevention used to treat substance related disorders.