The Shape of Thought: How Mental Adaptations EvolveThe Shape of Thought: How Mental Adaptations Evolve presents a road map for an evolutionary psychology of the twenty first century. It brings together theory from biology and cognitive science to show how the brain can be composed of specialized adaptations, and yet also an organ of plasticity. Although mental adaptations have typically been seen as monolithic, hard wired components frozen in the evolutionary past, The Shape of Thought presents a new