Concept

Origins and Scope of the DSM-I

Published in 1952 by the American Psychiatric Association, the first edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-I) established an early framework for psychiatric diagnosis. Its classification system was derived from a format developed by the U.S. Army during World War II. This initial version of the manual was 130 pages long and included 106 distinct diagnoses.

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Updated 2025-10-10

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