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Cambridge Behavioural Inventory

The Cambridge Behavioural Inventory (CBI) and its revised version, Cambridge Behavioural Inventory-Revised (CBI-R) , are informant-based questionnaires that evaluate the emergen...

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The Cambridge Behavioural Inventory (CBI) and its revised version, Cambridge Behavioural Inventory-Revised (CBI-R), are informant-based questionnaires that evaluate the emergence of behavioural symptoms in neurodegenerative brain disorders, including Alzheimer's disease (AD), Huntington's disease (HD), Parkinson's disease (PD), and frontotemporal dementia (FTD).

Cambridge Behavioural Inventory - Revised

The current version of the questionnaire is the Cambridge Behavioural Inventory-Revised (CBI-R). It was developed as a shorter, more user-friendly version of the original CBI.

The CBI was developed to assess a wide range of affective, behavioural and cognitive symptoms in patients with neurodegenerative brain diseases. Components of the questionnaire derive from the Neuropsychiatric Inventory (NPI), the General Health Questionnaire, and an earlier questionnaire found to distinguish between the neuropsychiatric features of frontotemporal dementia and Alzheimer's disease.[1]

The CBI-R consists of 45 items and evaluates 10 functional/behavioural domains: memory and orientation, everyday skills, self-care, abnormal behaviour, mood, beliefs, eating habits, sleep, stereotypic and motor behaviours, and motivation.

Scoring

The CBI-R is completed by a family member or close friend of the patient. The frequency of a behaviour over the previous month is rated on a scale of 0 to 4, where 0 = never; 1 = a few times per month; 2 = a few times per week; 3 = daily; 4 = constantly. Ratings are totalled for each domain to score the questionnaire.

Validity

The CBI-R was validated against the original questionnaire in a cohort of 450 patients (PD = 215, AD = 96, HD = 75 and bvFTD = 64). It demonstrated adequate internal consistency, with Cronbach's alpha exceeding 0.7 for seven of nine domains. Correlations between subdomains were high (r > 0.6, p < 0.0001).[2]

Cambridge Behavioural Inventory

The original CBI comprised 81 items assessing 13 domains: memory, orientation and attention, everyday skills, self-care, mood, beliefs, challenging behaviour, disinhibition, eating habits, sleep, stereotypic and motor behaviours, motivation, and insight and awareness. Scoring is identical to the CBI-R.

Validity

In a preliminary validation study, the Japanese version of the CBI demonstrated high test-retest reliability (Spearman's rho = 0.907, p < .001) over 14 days in a sample of 42 caregivers (AD = 27, FTD = 7, DLB = 2, VD = 2, Other dementias = 4).[3]

Con una cohorte de 24 cuidadores (EA = 19, DLB = 4, TCE = 1), se estableció la fiabilidad convergente correlacionando las puntuaciones de las subescalas del CBI con las subescalas relevantes del NPI. Todos los coeficientes de correlación, excepto dos (ansiedad, comportamientos estereotipados y motores), superaron 0,6 y todas las correlaciones fueron significativas al nivel de 0,05. [ 3 ]

Se encontró que el CBI era útil para distinguir entre los perfiles conductuales de FTD, EA, EP y EH en una cohorte de 450 pacientes (EP = 215, EA = 96, EH = 75 y bvFTD = 64). [ 4 ]

Referencias

  1. ↑ Bozeat, Sasha; Gregory, Carol A.; Ralph, Matthew A. Lambon; Hodges, John R. (2000-08-01). "¿Qué características neuropsiquiátricas y conductuales distinguen las variantes frontales y temporales de la demencia frontotemporal de la enfermedad de Alzheimer?" . Journal of Neurology, Neurosurgery & Psychiatry . 69 (2): 178– 186. doi : 10.1136/jnnp.69.2.178 . ISSN 0022-3050 . PMC 1737062 . PMID 10896690 .   
  2. ↑ Wear, Helen J.; Wedderburn, Catherine J.; Mioshi, Eneida; Williams-Gray, Caroline H.; Mason, Sarah L.; Barker, Roger A.; Hodges, John R. (abril–junio 2008). "El Inventario de Comportamiento de Cambridge revisado" . Dementia & Neuropsychologia . 2 (2): 102– 107. doi : 10.1590/S1980-57642009DN20200005 . ISSN 1980-5764 . PMC 5619578. PMID 29213551 .   
  3. 1 2 Nagahama, Yasuhiro; Okina, Tomoko; Suzuki, Norio; Matsuda, Minoru (2006-12-01). "El Inventario de Comportamiento de Cambridge: Validación y Aplicación en una Clínica de Memoria" . Revista de Psiquiatría Geriátrica y Neurología . 19 (4): 220– 225. doi : 10.1177/0891988706286545 . ISSN 0891-9887 . PMID 17085761. S2CID 14350844 .   
  4. ↑ Wedderburn, C.; Wear, H.; Brown, J.; Mason, SJ; Barker, RA; Hodges, J.; Williams-Gray, C. (2008-05-01). "La utilidad del Inventario de Comportamiento de Cambridge en la enfermedad neurodegenerativa" . Journal of Neurology , Neurosurgery & Psychiatry . 79 (5): 500– 503. doi : 10.1136/jnnp.2007.122028 . ISSN 0022-3050 . PMID 17846114. S2CID 1564223 .   
  • "Prueba de demencia" . Universidad de Sídney .