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Impairments of Social Cognition and Decision Making in Alzheimer's Disease

Published online by Cambridge University Press:  10 January 2005

Teresa Torralva
Affiliation:
Department of Neuropsychiatry, Raúl Carrea Institute of Neurological Research-FLENI, Buenos Aires, Argentina.
Flavia Dorrego
Affiliation:
Department of Neuropsychiatry, Raúl Carrea Institute of Neurological Research-FLENI, Buenos Aires, Argentina.
Liliana Sabe
Affiliation:
Department of Neuropsychiatry, Raúl Carrea Institute of Neurological Research-FLENI, Buenos Aires, Argentina.
Eran Chemerinski
Affiliation:
Department of Neuropsychiatry, Raúl Carrea Institute of Neurological Research-FLENI, Buenos Aires, Argentina.
Sergio E. Starkstein
Affiliation:
Department of Neuropsychiatry, Raúl Carrea Institute of Neurological Research-FLENI, Buenos Aires, Argentina.

Abstract

Objective: To investigate the nature of deficits in social cognition and real-life decision making in a group of patients with Alzheimer's disease (AD). Design: A comprehensive neuropsychological and psychiatric assessment, including the Moral Judgment Interview and the Bechara's Card Test, was carried out in 25 patients with AD and 20 age-comparable normal controls. Setting: Outpatients clinic. Results: AD patients had significantly lower scores in the Moral Judgment Interview and obtained significantly less earnings in the card test when compared to the normal control group. The Moral Judgment Interview score correlated significantly with Raven's Progressive Matrices and Block Design, whereas the card test correlated significantly with both the Benton Visual Retention Test and the Buschke Selective Reminding Test. No significant correlations were observed between the experimental tasks and the psychiatric variables. Conclusions: AD patients demonstrated significant deficits on tasks assessing social cognition and real-life decision making. These impairments correlated with deficits on specific neuropsychological tasks, but not with behavioral problems frequently found in AD patients.

Type
Articles
Copyright
© 2000 International Psychogeriatric Association

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