RECAPACITA project: Comparing neuropsychological profiles in people with severe mental disorders, with and without capacity modification

Abstract

Mental capacity assessment plays a crucial role in decision-making, especially in psychiatric contexts, where legal frameworks for determining capacity vary widely. This study explores the relationship between cognitive functioning and decision-making capacity modification (CM) in severe mental disorders (SMD), shedding light on the importance of neuropsychological evaluation in CM processes. Cross-sectional descriptive study, with 77 adult patients with SMD and CM, and 33 without CM from the mental health sector of Parc Sanitari Sant Joan de Déu (Spain). CM, sociodemographic and neuropsychological data were collected. An independent brief assessment of patients' mental capacity was also evaluated. There is an overrepresentation of males in CM processes. All three groups exhibit mild multidomain dysfunction, with impairments in executive functions, memory, and processing speed. Individuals with CM show poorer verbal learning capacity, with an impact on their occupational and family functioning. Mnemonic encoding positively correlates with mental capacity to decide, suggesting it could preliminarily be considered a potential predictive marker in CM processes. This study contributes insights into the cognitive aspects of CM in SMD, underscoring the need for a comprehensive approach integrating clinical, cognitive, and social factors in assessing decision-making capacity in this population.

Keywords: Assessment; Cognition; Decision-making capacity; Legislation; Mental capacity; Mental disease; Schizophrenia.