A critical literature review of the effectiveness of various instruments in the diagnosis of dementia in adults with intellectual disabilities.

Introduction: Currently, there is no consensus on dementia diagnostics in adults with intellectual disabilities (ID). There are three types of assessments available: direct cognitive tests, test batteries, and informant reports.

Methods: A systematic literature search was conducted in four databases yielding 9840 records.

Prevalence of Behavioural and Psychological Symptoms of Dementia in Individuals with Learning Disabilities.

A review of 23 studies investigating the prevalence of Behavioural and psychological symptoms of dementia (BPSD) in the general and learning disability population and measures used to assess BPSD was carried out. BPSD are non-cognitive symptoms, which constitute as a major component of dementia regardless of its subtype Research has indicated that there is a high prevalence of BPSD in the general dementia population. There are limited studies, which investigate the prevalence of BPSD within individuals who have learning disabilities and dementia.