The developmental pattern of concurrent synaptogenesis in rhesus monkeys is consistent with a straightforward model of relations between brain and cognitive development. Concurrent synaptogenesis is hypothesized to lay the primary cortical foundation for a series of developmental levels in middle infancy that have been empirically documented in…

This paper describes a conceptual framework for studying the family environment that (1) incorporates recent advances in understanding multiple social influences on behavior; (2) recognizes common and idiosyncratic characteristics of families as social units; (3) identifies research strategies that can be used to assess families; and (4) generates…