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Psychometric characteristics of the Rivermead Behavioural Memory Test (RBMT) as an early detection instrument for dementia and mild cognitive impairment in Brazil

Published online by Cambridge University Press:  02 July 2010

Mônica Sanches Yassuda ,
Mariana Kneese Flaks ,
Luciane Fátima Viola ,
Fernanda Speggiorin Pereira ,
Claudia Maia Memória ,
Paula Villela Nunes  and
Orestes Vicente Forlenza
Mônica Sanches Yassuda*
Affiliation:
Psychogeriatric Unit, Laboratory of Neuroscience (LIM 27), Department and Institute of Psychiatry, Faculty of Medicine, University of São Paulo, São Paulo, Brazil
Mariana Kneese Flaks
Affiliation:
Gerontology, School of Arts, Sciences and Humanities (EACH), University of São Paulo, São Paulo, Brazil
Luciane Fátima Viola
Affiliation:
Gerontology, School of Arts, Sciences and Humanities (EACH), University of São Paulo, São Paulo, Brazil
Fernanda Speggiorin Pereira
Affiliation:
Gerontology, School of Arts, Sciences and Humanities (EACH), University of São Paulo, São Paulo, Brazil
Claudia Maia Memória
Affiliation:
Gerontology, School of Arts, Sciences and Humanities (EACH), University of São Paulo, São Paulo, Brazil
Paula Villela Nunes
Affiliation:
Gerontology, School of Arts, Sciences and Humanities (EACH), University of São Paulo, São Paulo, Brazil
Orestes Vicente Forlenza
Affiliation:
Gerontology, School of Arts, Sciences and Humanities (EACH), University of São Paulo, São Paulo, Brazil
*
Correspondence should be addressed to: Mônica Sanches Yassuda, Ph.D., Laboratory of Neuroscience (LIM 27), Department and Institute of Psychiatry, Rua Dr. Ovídio Pires de Campos, 785 - Cerqueira César, 05403-010 - São Paulo – SP, Brazil. Phone: +55-11-3069-7267; Fax: +55-11-3069-7924. Email: yassuda@usp.br.
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Abstract

Background: The Rivermead Behavioural Memory Test (RBMT) assesses everyday memory by means of tasks which mimic daily challenges. The objective was to examine the validity of the Brazilian version of the RBMT to detect cognitive decline.

Methods: 195 older adults were diagnosed as normal controls (NC) or with mild cognitive impairment (MCI) or Alzheimer's disease (AD) by a multidisciplinary team, after participants completed clinical and neuropsychological protocols.

Results: Cronbach's α was high for the total sample for the RBMT profile (PS) and screening scores (SS) (PS = 0.91, SS = 0.87) and for the AD group (PS = 0.84, SS = 0.85), and moderate for the MCI (PS = 0.62, SS = 0.55) and NC (PS = 0.62, SS = 0.60) groups. RBMT total scores, Appointment, Pictures, Immediate and Delayed Story, Immediate and Delayed Route, Delayed Message and Date contributed to differentiate NC from MCI. ROC curve analyses indicated high accuracy to differentiate NC from AD patients, and, moderate accuracy to differentiate NC from MCI.

Conclusions: The Brazilian version of the RBMT seems to be an appropriate instrument to identify memory decline in Brazilian older adults.

Keywords

agingcognitionneuropsychologytestsvalidationAlzheimer's diseaseMCI
Type
Research Article
Information
International Psychogeriatrics , Volume 22 , Special Issue 6: Focus on training in psychogeriatrics , September 2010 , pp. 1003 - 1011
Copyright
Copyright © International Psychogeriatric Association 2010

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