Developmental theories can be augmented by incorporating knowledge about atypical ontogenesis. Examination of individuals with high-risk conditions and psychopathological disorders can shed light on system organization, disorganization, and reorganization. Child maltreatment is examined to illustrate benefits from studying individuals subjected to…

The conceptualizations of morphogenic processes suggested by systems theorists provide a useful framework for describing growth and development in complex adaptive self-directing organisms. These processes involve changes in (1) a system's structure, state, or functioning; (2) discontinuities in development; and (3) at least two kinds of…

Argues that although meta-analysis makes an important contribution to summarizing attachment studies, it limits the conceptual understanding to simple causal models and ignores family systems models that could illuminate the development of secure and insecure attachment. Maintains that fathers' role in attachment and the impact of the quality of…