RESUMEN
Given the context, the overarching aim is to identify scientific publications on occupational therapy in Psychiatric-Short-Term-Hospitalization-Units. Specific objectives include: (a) Analyzing the historical development of this research area; (b) Synthesizing existing evidence on the nature of documentary sources on occupational therapy in in Psychiatric-Short-Term-Hospitalization-Units; (c) Detailing the volume of scientific literature on occupational therapy in these units; (e) Evaluating available evidence on occupational therapy interventions to improve functionality, quality of life, and recovery in individuals admitted to in Psychiatric-Short-Term-Hospitalization-Units. A scoping review method was employed to conduct a historical mapping of research on in Psychiatric-Short-Term-Hospitalization-Units. The review proceeded in five stages following PRISMA guidelines. After applying selection criteria, the search identified 446 references. Findings are presented under three headings: (a) Historical trends in the scientific literature on occupational therapy and in Psychiatric-Short-Term-Hospitalization-Units; (b) Nature and volume of articles included in the occupational therapy synthesis in Psychiatric Short-Term Hospitalization Units; (c) Data extraction on methodological variables in the research of occupational therapy articles in in Psychiatric-Short-Term-Hospitalization-Units; and (d) Data extraction on research outcome variables of occupational therapy articles in Psychiatric Short-Term Hospitalization Units. The growth of occupational therapy in in Psychiatric-Short-Term-Hospitalization-Units is emphasized, with an increase in qualitative studies. Occupational therapy is underscored as an integral part of care, supporting the diversity and effectiveness of interventions. Common diagnoses include schizophrenia and depressive disorders. Group interventions and the spiritual dimension positively influence the quality of care and meaningful routines for recovery in in Psychiatric-Short-Term-Hospitalization-Units.