The characteristics of obsessive-compulsive disorder and the questions it raises / Francesco Mancini, Stefania Fadda and Antonella Rainone -- Goals and beliefs, proximate determinants of obsessive-compulsive symptoms / Francesco Mancini and Francesca D'Olimpio -- Cognitive processes in obsessive-compulsive disorder / Francesco Mancini and Amelia Gangemi -- Answers to the questions raised by obsessive-compulsive disorder / Francesco Mancini and Antonella Rainone -- Cognitive deficits and obsessive-compulsive disorder / Stefania Fadda, Andrea Gragnani, Alessandro Couyoumdjian, Francesco Mancini -- Vulnerability in obsessive-compulsive disorder / Katia Tenore and Barbara Basile -- Introduction to the therapy : the rationale of the intervention / Francesco Mancini and Teresa Cosentino -- Reconstructing the diagram for understanding the disorder : objectives, procedure, difficulties / Giuseppe Romano and Roberta Trincas -- Techniques of cognitive restructuring / Andrea Gragnani, Carlo Buonanno and Marco Saettoni -- Disgust and contamination : cognitive anti-disgust interventions / Claudia Perdighe and Francesco Mancini -- Accepting risk : cognitive techniques / Claudia Perdighe, Andrea Gragnani, and Antonella Rainone -- Exposure with response prevention as a practice of acceptance / Olga Ines Luppino and Maria Pontillo -- Mindfulness for the treatment of obsessive-compulsive disorder / Barbara Barcaccia and Alessandro Couyoumdjian -- Intervention to reduce current vulnerability to obsessive-compulsive disorder / Teresa Cosentino, Angelo Maria Saliani, Claudia Perdighe, Giuseppe Romano, Francesco Mancini -- Interventions on historical vulnerability / Katia Tenore and Andrea Gragnani -- Preventing relapses and concluding therapy / Andrea Gragnani and Katia Tenore -- The role of family members in the maintenance of obsessive-compulsive disorder : psychoeducation and psychotherapy / Angelo Maria Saliani, Teresa Cosentino, Barbara Barcaccia, Francesco Mancini -- Treatment traps : underlying beliefs and goals and solutions / Angelo Maria Saliani and Francesco Mancini.