Nick Chater

A work that reveals the profound links between the evolution, acquisition, and processing of language, and proposes a new integrative framework for the language sciences. Language is a hallmark of the human species; the flexibility and unbounded expressivity of our linguistic abilities is unique in the biological world. In this book, Morten Christiansen and Nick Chater argue that to understand this astonishing phenomenon, we must consider how language is created: moment by moment, in the generation and understanding of individual utterances; year by year, as new language learners acquire language skills; and generation by generation, as languages change, split, and fuse through the processes of cultural evolution. Christiansen and Chater propose a revolutionary new framework for understanding the evolution, acquisition, and processing of language, offering an integrated theory of how language creation is intertwined across these multiple timescales. Christiansen and Chater argue that mainstream generative approaches to language do not provide compelling accounts of language evolution, acquisition, and processing. Their own account draws on important developments from across the language sciences, including statistical natural language processing, learnability theory, computational modeling, and psycholinguistic experiments with children and adults. Christiansen and Chater also consider some of the major implications of their theoretical approach for our understanding of how language works, offering alternative accounts of specific aspects of language, including the structure of the vocabulary, the importance of experience in language processing, and the nature of recursive linguistic structure.

This interdisciplinary new work explores one of the central theoretical problems in linguistics: learnability. The authors, from different backgrounds---linguistics, philosophy, computer science, psychology and cognitive science-explore the idea that language acquisition proceeds through general purpose learning mechanisms, an approach that is broadly empiricist both methodologically and psychologically. For many years, the empiricist approach has been taken to be unfeasible on practical and theoretical grounds. In the book, the authors present a variety of precisely specified mathematical and computational results that show that empiricist approaches can form a viable solution to the problem of language acquisition. It assumes limited technical background and explains the fundamental principles of probability, grammatical description and learning theory in an accessible and non-technical way. Different chapters address the problem of language acquisition using different assumptions: looking at the methodology of linguistic analysis using simplicity based criteria, using computational experiments on real corpora, using theoretical analysis using probabilistic learning theory, and looking at the computational problems involved in learning richly structured grammars. Written by four researchers in the full range of relevant fields: linguistics (John Goldsmith), psychology (Nick Chater), computer science (Alex Clark), and cognitive science (Amy Perfors), the book sheds light on the central problems of learnability and language, and traces their implications for key questions of theoretical linguistics and the study of language acquisition.

‘A stirring call to action’ – TIM HARFORD ‘A masterclass’ – DARON ACEMOGLU 'An excellent book' – NASSIM NICHOLAS TALEB Two decades ago, behavioral economics burst from academia to the halls of power, on both sides of the Atlantic, with the promise that correcting individual biases could help transform society. The hope was that governments could deploy a new approach to addressing society’s deepest challenges, from inadequate retirement planning to climate change—gently, but cleverly, nudging people to make choices for their own good and the good of the planet. It was all very convenient, and false. As behavioral scientists Nick Chater and George Loewenstein show in It’s On You, nudges rarely work, and divert us from policies that do. For example, being nudged to switch to green energy doesn’t cut carbon, and it distracts from the real challenge of building a low-carbon economy. It’s on You shows how the rich and powerful have repeatedly used a clever sleight of hand: blaming individuals for social problems, with behavioral economics an unwitting accomplice, while lobbying against the systemic changes that could actually help. As two original proponents of the nudge principle, Nick and George now argue that rather than trying to “fix” the victims of bad policies, real progress requires rewriting the social and economic rulebook for the common good.

Two leading behavioral scientists argue we should reject "nudge" policies and stop blaming personal failure for society's failures Two decades ago, behavioral economics burst from academia to the halls of power, claiming that correcting individual irrationalities could transform society. The claim, championed by the Obama administration, was that almost any severe societal problem--from retirement planning to climate change--could be healed with the right behavioral bandage. All we had to do was nudge. It was all very convenient, and false. As behavioral scientists Nick Chater and George Loewenstein show in It's on You, nudge policies rarely work, and divert us from policies that do. For example, nudge-inspired "opt-out" 401(k) programs turn out not to boost saving, and distract from the real source of the retirement crisis: the systematic destruction of pensions. It's on You shows how across a wide range of issues--from pensions to obesity to climate change--the rich and powerful have pulled off a sleight of hand: blaming individuals for social problems while lobbying to shape the rules in their own favor, with behavioral economics an unwitting accomplice. If we want to solve those problems, we must rewrite the rules for the common good, rather than try to "fix" the victims of bad policies.

The definitive introduction to Bayesian cognitive science, written by pioneers of the field. How does human intelligence work, in engineering terms? How do our minds get so much from so little? Bayesian models of cognition provide a powerful framework for answering these questions by reverse-engineering the mind. This textbook offers an authoritative introduction to Bayesian cognitive science and a unifying theoretical perspective on how the mind works. Part I provides an introduction to the key mathematical ideas and illustrations with examples from the psychological literature, including detailed derivations of specific models and references that can be used to learn more about the underlying principles. Part II details more advanced topics and their applications before engaging with critiques of the reverse-engineering approach. Written by experts at the forefront of new research, this comprehensive text brings the fields of cognitive science and artificial intelligence back together and establishes a firmly grounded mathematical and computational foundation for the understanding of human intelligence. The only textbook comprehensively introducing the Bayesian approach to cognitionWritten by pioneers in the fieldOffers cutting-edge coverage of Bayesian cognitive science's research frontiers Suitable for advanced undergraduate and graduate students and researchers across the sciences with an interest in the mind, brain, and intelligence Features short tutorials and case studies of specific Bayesian models

'Marvellously clear... playfully persuasive' Richard Dawkins'Full of Fascinating details. A delight to read.' Tim Harford'Highly original and convincing ... a delight to read!' - Daniel EverettWhat is language? Why do we have it? Why does that matter? Language is perhaps humanity's most astonishing accomplishment and one that remains poorly understood. Upending centuries of scholarship (including, most recently, Chomsky and Pinker) The Language Game shows how people learn to talk not by acquiring fixed meanings and rules, but by picking up, reusing, and recombining countless linguistic fragments in novel ways. Drawing on entertaining and persuasive examples from across the world the book explains:· How our short-lived memory copes with the on-rushing deluge of sound that is everyday speech.· Why it is that language is such a challenge for language scientists but learnt effortlessly by toddlers.· Why the languages of the world are so spectacularly varied---and why no two people speak quite the same language.· Why humans have language, but chimps don't.· How language gave us a big brain and changed the course of evolution.· How language doesn't limit, but does shape, how we think.·And ultimately, why all we know about language should give us hope. Christiansen and Chater's The Language Game draws on a fascinating range of examples to show the way language works, has shaped our evolution and is critical to our future.

Forget the language instinct--this is the story of how we make up language as we go Language is perhaps humanity's most astonishing capacity--and one that remains poorly understood. In The Language Game, cognitive scientists Morten H. Christiansen and Nick Chater show us where generations of scientists seeking the rules of language got it wrong. Language isn't about hardwired grammars but about near-total freedom, something like a game of charades, with the only requirement being a desire to understand and be understood. From this new vantage point, Christiansen and Chater find compelling solutions to major mysteries like the origins of languages and how language learning is possible, and to long-running debates such as whether having two words for "blue" changes what we see. In the end, they show that the only real constraint on communication is our imagination.

A radical reinterpretation of how your mind works - and why it could change your life 'An astonishing achievement. Nick Chater has blown my mind' Tim Harford'A total assault on all lingering psychiatric and psychoanalytic notions of mental depths ... Light the touchpaper and stand well back' New ScientistWe all like to think we have a hidden inner life. Most of us assume that our beliefs and desires arise from the murky depths of our minds, and, if only we could work out how to access this mysterious world, we could truly understand ourselves. For more than a century, psychologists and psychiatrists have struggled to discover what lies below our mental surface. In The Mind Is Flat, pre-eminent behavioural scientist Nick Chater reveals that this entire enterprise is utterly misguided. Drawing on startling new research in neuroscience, behavioural psychology and perception, he shows that we have no hidden depths to plumb, and unconscious thought is a myth. Instead, we generate our ideas, motives and thoughts in the moment. This revelation explains many of the quirks of human behaviour - for example why our supposedly firm political beliefs, personal preferences and even our romantic attractions are routinely proven to be inconsistent and changeable. As the reader discovers, through mind-bending visual examples and counterintuitive experiments, we are all characters of our own creation, constantly improvising our behaviour based on our past experiences. And, as Chater shows us, recognising this can be liberating.

Are people rational? This question was central to Greek thought and has been at the heart of psychology and philosophy for millennia. This book provides a radical and controversial reappraisal of conventional wisdom in the psychology of reasoning, proposing that the Western conception of the mind as a logical system is flawed at the very outset. It argues that cognition should be understood in terms of probability theory, the calculus of uncertain reasoning, rather than in terms of logic, the calculus of certain reasoning.

Are people rational? This question was central to Greek thought; and has been at the heart of psychology and philosophy for millennia. This book provides a radical and controversial reappraisal of conventional wisdom in the psychology of reasoning, proposing that the Western conception of the mind as a logical system is flawed at the very outset. It argues that cognition should be understood in terms of probability theory, the calculus of uncertain reasoning, rather than in terms of logic, the calculus of certain reasoning.