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Behavioral Differences Between Frontotemporal Dementia and Alzheimer's Disease: A Comparison on the BEHAVE-AD Rating Scale

Published online by Cambridge University Press:  10 January 2005

Mario F. Mendez ,
Kent M. Perryman ,
Bruce L. Miller  and
Jeffrey L. Cummings
Mario F. Mendez
Affiliation:
Department of Neurology, University of California at Los Angeles, West Los Angeles Veterans Affairs Medical Center, Los Angeles, California, USA Department of Psychiatry and Biobehavioral Sciences, University of California at Los Angeles, West Los Angeles Veterans Affairs Medical Center, Los Angeles, California, USA
Kent M. Perryman
Affiliation:
Department of Psychiatry and Biobehavioral Sciences, University of California at Los Angeles, West Los Angeles Veterans Affairs Medical Center, Los Angeles, California, USA Harbor-UCLA Medical Center, Torrance, California, USA.
Bruce L. Miller
Affiliation:
Department of Neurology, University of California at Los Angeles, West Los Angeles Veterans Affairs Medical Center, Los Angeles, California, USA Harbor-UCLA Medical Center, Torrance, California, USA.
Jeffrey L. Cummings
Affiliation:
Department of Neurology, University of California at Los Angeles, West Los Angeles Veterans Affairs Medical Center, Los Angeles, California, USA Department of Psychiatry and Biobehavioral Sciences, University of California at Los Angeles, West Los Angeles Veterans Affairs Medical Center, Los Angeles, California, USA
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Abstract

Frontotemporal dementia (FTD) is a dementing syndrome characterized by the occurrence of neuropsychiatric features early in the clinical course. Patients with Alzheimer's disease (AD) also have neuropsychiatric symptoms, but these symptoms typically emerge later in the course after the development of memory and other cognitive impairment. The BEHAVE-AD, an instrument developed to evaluate neuropsychiatric features in dementia, may help characterize the behavioral features of FTD and differentiate FTD from AD. This study evaluated BEHAVEAD results of 29 patients with the diagnosis of FTD compared to those of 29 patients with the diagnosis of probable AD of similar dementia severity. The FTD patients had significantly worse global BEHAVE-AD scores compared to the AD patients. Verbal outbursts and inappropriate activity characterized the FTD patients, and three BEHAVE-AD subscales correctly classified 69% of the patients. The assessment of neuropsychiatric symptoms with a standardized scale or inventory can help distinguish dementia patients with FTD and AD.

Type
Features of Alzheimer's Disease
Information
International Psychogeriatrics , Volume 10 , Issue 2 , June 1998 , pp. 155 - 162
Copyright
© 1998 International Psychogeriatric Association

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