Approximately two decades after the first pioneering analyses, the study of shape asymmetry
with the methods of geometric morphometrics has matured and is a burgeoning field. New …

This textbook provides a complete overview of motivation and emotion, using an
overarching organizational scheme of how biological, psychological, and environmental …

Objective Mate choice involves trading‐off several preferences. Research on this process
tends to examine mate preference prioritization in homogenous samples using a small …

Mate value is a construct of importance to many psychological (especially evolutionary
psychological) theories. However, there are no well validated self-report measures of mate …

Appearance alterations are an important part of human history, culture, and evolution that
can serve many functions. Cross-culturally, women more than men use makeup as a …

In the Samoan language, fa'afafine means:“in the manner of a woman.” Like Samoan men,
fa'afafine are biological males. However, fa'afafine do not identify as men nor do the …

The use of sacred values by humans to enforce cooperation has been seen throughout
human history, as demonstrated by philosophers like Marx and Aristotle observing that …

Simple Summary Being in love is a powerful emotional experience that is uniquely human;
however, animal models of pair bonding provide insights into the neurobiological processes …

Comparative morphology, dealing with the diversity of form and shape, and functional
morphology, the study of the relationship between the structure and the function of an …

A theory of consciousness, whatever else it may do, must address the structure of
experience. Our perceptual experiences are richly structured. Simply seeing a red apple …