Introduction - Attachment in Group Psychotherapy: Bridging Theories, Research, and Clinical Techniques Cheri L. Marmarosh 1. Augmenting the Sense of Attachment Security in Group Contexts: The Effects of a Responsive Leader and a Cohesive Group Mario Mikulincer and Phillip R. Shaver 2. Mentalizing, Attachment, and Epistemic Trust in Group Therapy Peter Fonagy, Chloe Campbell and Anthony Bateman 3. Group Psychotherapy as a Neural Exercise: Bridging Polyvagal Theory and Attachment Theory Philip J. Flores and Stephen W. Porges 4.

Attachment Anxiety and Attachment Avoidance: Members' Attachment Fit with Their Group and Group Relationships Dennis M. Kivlighan, Jr., Gianluca Lo Coco, Salvatore Gullo, Chiara Pazzagli and Claudia Mazzeschi 5. Feeling Worse Before Feeling Better: A Case of Increased Disorganized Mental States Following Group Psychotherapy Giorgio A. Tasca, Hilary Maxwell, Megan Faye and Louise Balfour 6. Establishing a Secure Base to Increase Exploration of Diversity in Groups Joseph R. Miles and Brent Mallinckrodt 7. Attachment and Interpersonal Theory and Group Therapy: Two Sides of the Same Coin Martyn Whittingham 8.

Commentary: How Understanding Attachment Enhances Group Therapist Effectiveness Molyn Leszcz.