Evolutionary approaches to the emotions have traditionally focused on a subset of emotions that are shared with other species, characterized by distinct signals, and designed to solve a few key adaptive problems. By contrast, an evolutionary psychological approach broadens the range of adaptive problems emotions have evolved to solve, includes emotions that lack distinctive signals and are unique to humans, and synthesizes an evolutionary approach with an information-processing perspective. On this view, emotions are superordinate mechanisms that evolved to coordinate the (...) activity of other programs in the solution of adaptive problems. We illustrate the heuristic value of this approach by furnishing novel hypotheses for disgust and sexual arousal and highlighting unexplored areas of research. (shrink)

Conceptually integrating Selfish Goal Theory with modern evolutionary psychology amplifies theoretical power. Inconsistency, a key principle of Selfish Goal Theory, illustrates this insight. Conflicting goals of seeking sexual variety and successful mate retention furnish one example. Siblings have evolved goals to cooperate and compete, a second example. Integrating Selfish Goal Theory with evolutionary theory can explain much inconsistent goal-directed behavior.