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      Identification of neuropsychiatric symptoms in preclinical and prodromal stages in dementias: development of a screening test for mild behavioral impairment Translated title: Identificación de los síntomas neuropsiquiátricos en fases preclínicas y prodrómicas en demencias: desarrollo de un test de cribado para el deterioro conductual leve

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          Abstract

          Abstract: Background: Neuropsychiatric symptoms (NPS) are a psychopathological dimension of neurodegenerative diseases, consisting of personality changes, behavioral disorders, and alterations in basic functions such as appetite or sleep, among others. The aim of this study was the construction and validation of a screening test to identify these NPS associated with neurodegenerative pathologies in preclinical and prodromal stages, based on the ISTAART criteria for Mild Behavioral Impairment (MBI). Method: The sample consisted of 206 subjects over 55 years old (117 cognitively healthy, 89 with Mild Cognitive Impairment). 69% were women, the mean age was 77 years (SD = 10.58). Results: The new scale consists of 19 items and exhibited a one-dimensional structure. Confidence was excellent (α = .94 and Ω = .97) and there was evidence of convergent validity with the MBI-C test (r = .88) and the NPI-Q (r = .82). In addition, the scale demonstrated good sensitivity (.88) and specificity (.80). Conclusions: The scale allows evaluation of NPS in DCoL. It exhibits good psychometric properties and makes a useful tool in early diagnosis of neurodegenerative pathologies.

          Translated abstract

          Resumen: Antecedentes: Los síntomas neuropsiquiátricos (SNP) constituyen una dimensión psicopatológica de las enfermedades neurodegenerativas conformada por cambios en la personalidad, trastornos conductuales o alteraciones en funciones básicas como, entre otras, el apetito o el sueño. El objetivo de este estudio es la construcción y validación de un test de cribado para la identificación de estos SNP asociados a patologías neurodegenerativas en etapas preclínicas y prodrómicas y basado en los criterios ISTAART para el Deterioro Conductual Leve (DCoL). Método: Se empleó una muestra de 206 sujetos mayores de 55 años (117 cognitivamente sanos y 89 con Deterioro Cognitivo Leve) siendo el 69% mujeres, con una media de edad de 77 años (DT = 10,58). Resultados: La nueva escala desarrollada consta de 19 items y muestra una estructura unidimensional. La fiabilidad fue excelente (α = .94 y Ω = .97) y se observaron evidencias de validez convergente con el test MBI-C con una correlación de .88 y la NPI-Q con .82. Además, muestra una buena sensibilidad de .88 y especificidad de .80. Conclusiones: La escala desarrollada permite evaluar los SNP en el DCoL mostrando buenas propiedades psicométricas y constituyendo una herramienta muy útil en el diagnóstico precoz de las patologías neurodegenerativas.

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          Most cited references55

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          The Neuropsychiatric Inventory: Comprehensive assessment of psychopathology in dementia

          Neurology, 44(12), 2308-2308
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            Development and validation of a geriatric depression screening scale: A preliminary report

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              The FAB: A frontal assessment battery at bedside

              To devise a short bedside cognitive and behavioral battery to assess frontal lobe functions. The designed battery consists of six subtests exploring the following: conceptualization, mental flexibility, motor programming, sensitivity to interference, inhibitory control, and environmental autonomy. It takes approximately 10 minutes to administer. The authors studied 42 normal subjects and 121 patients with various degrees of frontal lobe dysfunction (PD, n = 24; multiple system atrophy, n = 6; corticobasal degeneration, n = 21; progressive supranuclear palsy, n = 47; frontotemporal dementia, n = 23). The Frontal Assessment Battery scores correlated with the Mattis Dementia Rating Scale scores (rho = 0.82, p < 0.01) and with the number of criteria (rho = 0.77, p < 0.01) and perseverative errors (rho = 0.68, p < 0.01) of the Wisconsin Card Sorting Test. These variables accounted for 79% of the variance in a stepwise multiple regression, whereas age or Mini-Mental State Examination scores had no significant influence. There was good interrater reliability (kappa = 0.87, p < 0.001), internal consistency (Cronbach's coefficient alpha = 0.78), and discriminant validity (89.1% of cases correctly identified in a discriminant analysis of patients and controls). The Frontal Assessment Battery is easy to administer at bedside and is sensitive to frontal lobe dysfunction.
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                Author and article information

                Journal
                psicothema
                Psicothema
                Psicothema
                Colegio Oficial de Psicólogos del Principado de Asturias (Oviedo, Asturias, Spain )
                0214-9915
                1886-144X
                2024
                : 36
                : 1
                : 91-99
                Affiliations
                [2] Asturias orgnameUniversidad de Oviedo Spain
                [3] Asturias orgnameUniversidad de Oviedo Spain
                [4] orgnameCentro de Salud La Calzada Gijón (SESPA) Spain
                [1] Asturias orgnameUniversidad de Oviedo Spain
                Article
                S1886-144X2024000100010 S1886-144X(24)03600100010
                10.7334/psicothema2023.40
                d899b2b7-d2c3-42d0-a235-aab05f305f4e

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 08 February 2023
                : 05 April 2023
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 55, Pages: 9
                Product

                SciELO Spain

                Categories
                Articles

                Mild cognitive impairment,neuropsychiatric symptoms,Deterioro conductual leve,Deterioro cognitivo leve,Demencia,Síntomas neuropsiquiátricos,Mild behavioral impairment,dementia

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