Utilizing the Hirsch index h and some of its variants for an exploratory factor analysis we discuss whether one of the most important Hirsch-type indices, namely the g-index comprises information about not only the size of the productive core but also the impact of the papers in the core. We also study the effect of logarithmic and square-root transformation of the data utilized in the factor a...

Objects differ along many stimulus dimensions, but observers typically group them into fewer 'categories' according to their potential use or behavioral relevance. New experiments in awake, behaving monkeys open a window onto the process of stimulus categorization within the central nervous system.

This paper considers the principles of a functionalist perspective with regard to positive emotions. We discuss various ways that emotions have been studied historically and how these approaches bear on discussions function. then cover more recent attempts categorize make recommendations for future endeavors. Our aim is not pick promote an existing view but rather demarcate perspectives through...