A Psychological Approach to Diagnosis: Using the ICD-11 as a Framework

This groundbreaking volume, published by the American Psychological Association in partnership with the International Union of Psychological Science, provides a detailed guide to clinical diagnosis by psychologists and other health professionals based on the eleventh revision of the World Health Organization's International Classification of Diseases (ICD-11).
The ICD-11 was adopted by the World Health Assembly in 2019 and came into effect as the global standard for health information and reporting in 2022. The ICD is the diagnostic system for mental disorders most widely used by mental health professionals around the world in their day-to-day clinical practice. This edited volume offers a step-by-step approach to diagnosis, giving mental health professionals around the world the tools they need to apply ICD-11 diagnostic requirements for mental, behavioral, and neurodevelopmental disorders as the basis for delivering high quality, evidence-informed care.
A psychological approach to diagnosis is a conceptually driven, person-oriented, biopsychosociocultural formulation that integrates pertinent history, behavior, symptoms, phenomenology, and functioning.  A psychological approach focuses on psychological mechanisms and principles as an aspect of diagnostic practice and case formulation, regardless of professional discipline.
 
The chapters of this book cover the major groupings of mental disorder as well as related areas that are important parts of psychological practice, such as sexual dysfunctions, sleep-wake disorders, and relationship problems and maltreatment. The authors of this book are leading global experts in each area, many of whom were integrally involved in developing the respective sections of the ICD-11.
 
Authors describe the overarching logic for the classificatory arrangement and the elements of a psychological approach to the set of disorders discussed in each chapter, including psychological models for conceptualizing the
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