Unveiling the Structure in Mental Disorder Presentations.

ABSTRACT:

Importance

DSM criteria are polythetic, allowing for heterogeneity of symptoms among individuals with the same disorder. In empirical research, most combinations were not found or only rarely found, prompting criticism of this heterogeneity.

Objective

To elaborate how symptom-based definitions and assessments contribute to a distinct probability pattern for the occurrence of symptom combinations.

Design, setting, and participants

This cross-sectional study involved a theoretical argument, simulation, and secondary data analysis of 4 preexisting datasets, each consisting of symptoms from 1 of the following syndromes: posttraumatic stress disorder, depression, schizophrenia, and anxiety. Data were obtained from various sources, including the National Institute of Mental

SUBMITTER: Spiller TR 

PROVIDER: S-EPMC11307158 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature