Volume I aims to overcome conceptual flaws that have plagued the trauma field to date. It proposes new definitions of trauma and derivative concepts as well as a dimension of trauma-related disorders. Volume II analyzes the concepts of "personality", "self", "consciousness", "self-consciousness", "dissociation in trauma", and "dissociative parts". It also explores the biopsychosocial features of these parts and presents supportive empirical findings. New Definitions of Trauma and Derivative Concepts