The Interface Between Attachment and Intersubjectivity: Perspective from the Longitudinal Study of Disorganized Attachment

This article considers the interface between the concepts of attachment and intersubjectivity in light of accumulated research on infant development. Both Tomasello (1999) and Hobson (2002) have argued persuasively that the flexible human capability for sharing mental states with others reframes and revolutionizes our older, more highly channeled primate biological heritage. In contrast to this emphasis on discontinuity from primate to human evolution, attachment theorists have stressed the continuities between human attachment and attachment in other primates. The implication of new work on infant intersubjectivity for reframing aspects of attachment theory is first explored. By the same token, however, the extent to which the infant– caregiver attachment relationship functions to maintain positive engagement and regulate the infant's fearful arousal will have escalating consequences over development for the organization of intersubjectivity. Therefore, attachment research has much to offer in understanding the development of joint attention and the sharing of mental states under conditions of increased emotional arousal. The potential contributions of attachment research for understanding the development of intersubjectivity are discussed in light of recent work from the author's lab on forms of young adult symptomatology associated

with deviance in the early intersubjective dialogue between mother and infant. The clinical implication emerging from all these diverse areas of research is that fostering more collaborative forms of communication may lie at the heart of evolutionary change, developmental change, and changes resulting from psychodynamic psychotherapy.