Numerous functions, cognitive skills, and behaviors are associated with intelligence, yet decades of research has yielded little consensus on its definition. Emerging from often conflicting studies is the provocative idea that intelligence evolved as an adaptation humans needed to keep up with - and survive in - challenging new environments.

Preface.- SECTION 1. BACKGROUND.- The Roots of Human Intelligence: What Were We Before We Were Intelligent?.- Intelligence in Non primates.- Intelligence in Primates.- The Evolution of Language.- Intelligence in Humans.- The Origins of Intelligence as a Conceptual Construct: Plato, Pascal and Philosophy.- Modern Foundation: Darwin, Charcot and Dalton.- SECTION 2. THEORIES OF INTELLIGENCE.- Intelligence Defined: James, Wundt, Cattell, Thorndike and Yerkes.- Alfred Binet and the Children of Paris.- David Wechsler and the Soldiers of America.- Alan Kaufman and Intelligence Redefined as Cognitive Processing.- A.R. Luria and Intelligence Redefined as a Neuropsychological Construct.- Daniel Sternberg and Multiple Intelligences in the New Age of Thinking.- Daniel Goleman and Emotional Intelligence and Behavior.- Carol Dweck and Intelligence as a Malleable Construct.- SECTION 3. ASSESSMENT OF INTELLIGENCE.- The Connection Between Intelligence Tests and Theory of Intelligence.- Assessing Intellectual Knowledge.- Assessing Intellectual Ability.¿