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Decision Neuroscience addresses fundamental questions about how the brain makes perceptual, value-based, and more complex decisions in non-social and social contexts. This book presents compelling neuroimaging, electrophysiological, lesional, and neurocomputational models in combination with hormonal and genetic approaches, which have led to a clearer understanding of the neural mechanisms behind how the brain makes decisions. The five parts of the book address distinct but inter-related topics and are designed to serve both as classroom introductions to major subareas in decision neuroscience and as advanced syntheses of all that has been accomplished in the last decade. Part I is devoted to anatomical, neurophysiological, pharmacological, and optogenetics animal studies on reinforcement-guided decision making, such as the representation of instructions, expectations, and outcomes; the updating of action values; and the evaluation process guiding choices between prospective rewards. Part II covers the topic of the neural representations of motivation, perceptual decision making, and value-based decision making in humans, combining neurcomputational models and brain imaging studies. Part III focuses on the rapidly developing field of social decision neuroscience, integrating recent mechanistic understanding of social decisions in both non-human primates and humans. Part IV covers clinical aspects involving disorders of decision making that link together basic research areas including systems, cognitive, and clinical neuroscience; this part examines dysfunctions of decision making in neurological and psychiatric disorders, such as Parkinson's disease, schizophrenia, behavioral addictions, and focal brain lesions. Part V focuses on the roles of various hormones (cortisol, oxytocin, ghrelin/leptine) and genes that underlie inter-individual differences observed with stress, food choices, and social decision-making processes. The volume is essential reading for anyone interested in decision making neuroscience. With contributions that are forward-looking assessments of the current and future issues faced by researchers, Decision Neuroscience is essential reading for anyone interested in decision-making neuroscience. - Provides comprehensive coverage of approaches to studying individual and social decision neuroscience, including primate neurophysiology, brain imaging in healthy humans and in various disorders, and genetic and hormonal influences on decision making - Covers multiple levels of analysis, from molecular mechanisms to neural-systems dynamics and computational models of how we make choices - Discusses clinical implications of process dysfunctions, including schizophrenia, Parkinson's disease, eating disorders, drug addiction, and pathological gambling - Features chapters from top international researchers in the field and full-color presentation throughout with numerous illustrations to highlight key concepts
The police fight a different kind of war, and the enemy is the police officer's own civilian population: those who engage in crime, social indignity, and inhumane treatment of others. The result for the police officer is both physical and psychological battering, occasionally culminating in the officer sacrificing his or her life to protect others. This book focuses on the psychological impact of police civilian combat. During a police career, the men and women of police agencies are exposed to distressing events that go far beyond the experience of the ordinary citizen, and there is an increased need today to help police officers deal with these traumatic experiences. As police work becomes increasingly complex, this need will grow. Mental health and other professionals need to be made aware of the conditions and precipitants of trauma stress among the police. The goal of this book is to provide that important information. The book's perspective is based on the idea that trauma stress is a product of complex interaction of person, place, situation, support mechanisms, and interventions. To effectively communicate this to the reader, new conceptual and methodological considerations, essays on special groups in policing, and innovative ideas on recovery and treatment of trauma are presented. This information can be used to prevent or minimize trauma stress and to help in establishing improved support and therapeutic measures for police officers. Contributions in the book are from professionals who work with police officers, and in some cases those who are or have been police officers, to provide the reader with different perspectives. Chapters are grouped into three sections: conceptual and methodological issues, special police groups, and recovery and treatment. The book concludes with a discussion of issues and identifies future directions for conceptualization, assessment, intervention, and effective treatment of psychological trauma in policing.
Social anxiety is a long-term and overwhelming fear of social situations. In particular, the fear stems from being judged and evaluated negatively by other people, leading to feelings of inadequacy, inferiority, self-consciousness, embarrassment, humiliation, and depression. Millions of people around the world live with the condition which impacts their everyday activities, self confidence, relationships and work or school life.
The many groups we belong to influence our lives in crucial ways.This volume provides a comprehensive overview of classic and contemporary issues in the field of group processes and will interest scholars in various disciplines, including social and organizational psychology, sociology, communication, economics, and political science.