Introduction: The evolutionary psychology of thinking / David E. Over -- 1. The allocation system: Using signal detection processes to regulate representations in a multimodular mind / Gary L. Brase -- 2. Is there a faculty of deontic reasoning? A critical re-evaluation of abstract deontic versions of the Wason selection task / Laurence Fiddick -- 3. Evolutionary psychology's grain problem and the cognitive neuroscience of reasoning / Anthony P. Atkinson and Michael Wheeler -- 4. Specialized behaviour without specialized modules / Amit Almor -- 5. From massive modularity to metarepresentation: The evolution of higher cognition / David E. Over -- 6. Probability judgement from the inside and out / Steven A. Sloman and David E. Over -- 7. Evolutionary versus instrumental goals: How evolutionary psychology misconceives human rationality / Keith E. Stanovich and Richard F. West.