The superordinate division of emotions is distributed along a bipolar dimension of affective valence, from approaching rewarding situations to avoiding punitive

One of the major neuropsychological models of personality, developed by world-renowned psychologist Professor Jeffrey Gray, is based upon individual differences

In the past fifty years, scholars of human development have been moving from studying change in humans within sharply defined periods, to seeing many more of th

Recent years have witnessed the ascendance of a new way to conceptualize and investigate the nature of dynamism at different levels of psychological reality. Ar

This volume covers the current status of research in the neurobiology of motivated behaviors in humans and other animals in healthy condition. This includes con