The International Perspectives on Internalizing Disorders in Children and Adolescents

This paper reviews the experiences of researchers from Western and Eastern countries, including the USA, Germany, Canada, the United Kingdom, China, and others, in studying internalized disorders in children and adolescents. The diversity of countries with different public health systems in the review broadened the perspective on a diagnostic paradigm based on the transdiagnostic model of mental disorder classification. The paper examines various approaches to conceptualizing internalizing disorders in overseas research. It introduces the concept of "internalized disorders" and contrasts it with "externalized disorders", with a focus on the symptoms, diagnosis, and interventions for internalized disorders in childhood and adolescence. It also presents data on the epidemiology and aetiology of internalized disorders, analyzing their prevalence in populations, which vary by age, gender, and region of residence. The paper also includes a discussion on the comorbidity of internalized disorders in children and adolescents. This scope of information provides a comprehensive understanding of the essence of "internalized disorders" and their key characteristics, creating a foundation for developing effective diagnostic and therapeutic strategies in national psychological practice.

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