The Cambridge Behavioral Inventory: Validation and Application in a Memory Clinic

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Abstract
The authors examined the validity of the Cambridge Behavioral Inventory (CBI), a questionnaire investigating broad neuropsychiatric symptoms and everyday functional ability in dementia. Test-retest reliability of the CBI was acceptable. Cross-validation with the Neuropsychiatric Inventory showed good concurrent validity of the CBI. The CBI reliably demonstrated that disinhibition, stereotypic behavior, elation, anxiety, poor self-care, and changes in eating habits occurred more commonly in patients with frontotemporal lobar degeneration than those with Alzheimer’s disease. The authors concluded that the CBI is a reliable informant-based assessment of neuropsychiatric symptoms and everyday functioning and may be a suitable tool for use in general clinical practice settings.