Launching Evolutionary Psychological Science

Evolutionary Systems Theory: A Unifying Meta-Theory of Psychological Science

Psychology is a theoretically heterogeneous discipline seeking a single, cohesive framework to unite the subdisciplines. To address this issue, I propose a hierarchical metatheory of psychological science that synthesizes neo-Darwinian selectionist thinking and dynamic systems theory by organizing evolutionary psychology, evolutionary developmental biology, developmental psychobiology, and the ...

Editorial: Evolutionary Theory: Fringe or Central to Psychological Science

Psychological Science

Syntactic factors can rapidly affect behavioral and neural responses during language processing; however, the mechanisms that allow this rapid extraction of syntactically relevant information remain poorly understood. We addressed this issue using magnetoencephalography and found that an unexpected word category (e.g., “The recently princess . . . ”) elicits enhanced activity in visual cortex a...

Psychological Science

Emerging evidence has shown that human thought can be embodied within physical sensations and actions. Indeed, abstract concepts such as morality, time, and interpersonal warmth can be based on metaphors that are grounded in bodily experiences (e.g., physical temperature can signal interpersonal warmth). We hypothesized that social-category knowledge is similarly embodied, and we tested this hy...

Psychological Science

Most studies of animal cognition focus on group performance and neglect individual differences and the correlational structure of cognitive abilities. Moreover, no previous studies have compared the correlational structure of cognitive abilities in nonhuman animals and humans. We compared the structure of individual differences of 106 chimpanzees and 105 two-year-old human children using 15 cog...