Unsupervised Deep Representation Learning for Clinical Stratification in Substance Use Disorders

Inclusion Criteria

Inclusion Criteria: * DSM-5 diagnosis of Substance Use Disorder (SUD), confirmed by a psychiatrist or clinical psychologist. * Age ≥ 18 years. * Currently admitted to a residential addiction treatment center at the time of assessment. * Ability to complete the psychometric questionnaires independently. * Written informed consent. Exclusion Criteria: * Active psychotic disorder (e.g., schizophrenia, delusional disorder) not stabilized pharmacologically. * Severe cognitive impairment (dementia, severe brain injury) that prevents understanding the questionnaire items. * Language barriers or illiteracy that prevent self-administration of the scales. * Scheduled discharge from the center within 7 days of the assessment date.