One of the major neuropsychological models of personality,developed by world-renowned psychologist Professor Jeffrey Gray, isbased upon individual differences in reactions to punishing andrewarding stimuli. This biological theory of personality - nowwidely known as 'Reinforcement Sensitivity Theory' (RST) - has hada major influence on motivation, emotion and psychopathologyresearch. In 2000, RST was substantially revised by Jeffrey Gray,together with Neil McNaughton, and this revised theory proposedthree principal motivation/emotion systems: the'Fight-Flight-Freeze System' (FFFS), the 'Behavioural ApproachSystem' (BAS) and the 'Behavioural Inhibition System' (BIS). Thisis the first book to summarise the Reinforcement Sensitivity Theoryof personality and bring together leading researchers in the field.It summarizes all of the pre-2000 RST research findings, explainsand elaborates the implications of the 2000 theory for personalitypsychology and lays out the future research agenda for RST.

How did the replication bomb we call life begin and where inthe world, or rather, in the universe, is it heading? Writing withcharacteristic wit and an ability to clarify complex phenomena (theNew York Times described his style as the sort of science writingthat makes the reader feel like a genius), Richard Dawkinsconfronts this ancient mystery.

The object of this book is to present a complete, systematic andthorough exposition of the neoclassical theory of production anddistribution. Despite this basic objective, each chapter presentsextensions of neoclassical theory and interpretations ofestablished relations. The book has two distinct parts. In Part Ithe microeconomic theories of production, cost and derived inputdemand are explored in depth for both fixed-proportions andvariable-proportions production functions. Special emphasis isplaced upon the characteristics and implications of productionfunctions homogeneous of degree one. Part II is devoted chiefly tothe neoclassical theory of aggregate relative factor shares, theelasticity of substitution, and technological progress.

A dazzling journey across the sciences and humanities in searchof deep laws to unite them. -- The Wall Street Journal One of our greatest living scientists--and the winner of twoPulitzer Prizes for On Human Nature and TheAnts --gives us a work of visionary importance that may be thecrowning achievement of his career. In Consilience (a wordthat originally meant "jumping together"), Edward O. Wilson renewsthe Enlightenment's search for a unified theory of knowledge indisciplines that range from physics to biology, the social sciencesand the humanities. Using the natural sciences as his model, Wilson forges dramaticlinks between fields. He explores the chemistry of the mind and thegenetic bases of culture. He postulates the biological principlesunderlying works of art from cave-drawings to Lolita. Presentingthe latest findings in prose of wonderful clarity and oratoricaleloquence, and synthesizing it into a dazzling whole, Consilience is science in the path-clearing traditions ofNewton, Einstein, and R