Emotionality is a basic feature of behavior. The argument over whether the expression of emotions is based primarily on culture (constructivism, nurture) or biology (natural forms, nature) will never be resolved because both alternatives are untenable. The evidence is overwhelming that at all ages and all levels of organization, the development of emotionality is epigenetic: The organism is an active participant in its own development. To ascribe these effects to “experience” was the best that could be done for many years. (...) With the rapid acceleration of information on how changes in organization are actually brought about, it is a good time to review, update, and revitalize our views of experience in relation to the concept of basic emotion. (shrink)

A principal theme of our article is that emotions, including what are called basic emotions, cannot be exhaustively categorized as “innate” or “acquired.” Instead, we argue that basic emotions are more realistically viewed as emergent phenomena, the result of complex interrelations of environmental and organismic factors at all levels of organization. While the commentators apparently accepted the proposed developmental paradigm, they took exception to aspects of our treatment of basic emotions and made a number of helpful comments, to which we (...) respond below. (shrink)

Primate research suggests that affiliation is a highly complex construct. Studies of primate affiliation demonstrate the need to distinguish between various affiliative behaviors, consider relationships as emergent properties of these behaviors, define affiliation in the context of general environmental responsiveness, and address developmental changes in affiliation across the lifespan.