![]() ![]() In this field, it is hypothesized that CR includes the capacity to withstand damage, the ability to compensate for damage through the use of alternate networks, and remodelling and plasticity. ![]() At the beginning, the concept of CR was developed in the context of aging and dementia. ![]() The concept of cognitive reserve (CR) has been defined as the ability of the brain to make flexible and efficient use of cognitive networks in order to minimize the clinical manifestation of the pathology of dementia. The scale may aid in the stratification of patients and the implementation of personalized interventions. In order to provide clinical interpretation, severity classification based on diagnosis (non-affective psychotic disorders, affective disorders, and healthy controls) have been created (4) Conclusions: CRASH is the first CR measure developed specifically for patients with severe mental illness, facilitating reliable and valid measurement of this construct. The correlation coefficients between the CRASH total scores and clinical, functional, and neuropsychological performance were different between groups. The CRASH global score had a large positive correlation with the Cognitive reserve questionnaire total score ( r = 0.838, p < 0.001), demonstrating good convergent validity. Spearman’s correlations coefficients were also performed to examine the relationship between CRASH and neuropsychological tests, psychosocial functioning, and clinical course (3) Results: The internal consistency was high (Cronbach’s alpha coefficient = 0.903). The internal consistency and convergent validity of CRASH were assessed. This study aims to investigate and develop the psychometric properties of the Cognitive Reserve Assessment Scale in Health (CRASH), an instrument designed to measure CR in people with severe mental illness (2) Methods: 100 patients with severe mental illness (non-affective psychoses and affective disorders) and 66 healthy controls were included. (1) Background: The cognitive reserve (CR) concept has not been precisely defined in severe mental disorders and has been estimated using heterogeneous methods. ![]()
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