From his first attempts to explain attachment phenomena in the 1940s through his "Attachment and Loss" trilogy (Bowlby, 1969/1982, 1973, 1980), John Bowlby reformulated the theoretical underpinnings of attachment theory several times. He initially attempted to explain attachment phenomena in psychoanalytic terms. Then he invoked…

Current prominent models of identity face challenges in bridging across divergent perspectives and apparent dichotomies such as personal or social-collective, conscious or unconscious, and epigenetic or discursive-relational, and affording pursuit of research questions that allows integrative answers. This article presents a coherent theoretical…

This issue's special section on canalization of behavioral development is introduced. In the special section, an invited paper by Gilbert Gottlieb, adopts a systems approach that stresses the complex interaction of genes, behavior, and environment. Several comments on the Gottlieb paper are also included. (BC)