Personality alterations in dementia of the Alzheimer type
S. Petry, J. L. Cummings, M. A. Hill and J. Shapira
Department of Psychiatry and Biobehavioral Sciences, UCLA School of Medicine.
Personality alterations in dementia of the Alzheimer type (DAT) are common
but have received little systematic or quantitative investigation. In this
study, changes in personality in patients with DAT were compared with those
of nondemented retirees using a personality inventory. The inventory used
information obtained from each subject's spouse. No personality changes
were identified in the control subjects when pre- and post-retirement
inventory scores were compared, whereas patients with DAT had highly
significant alterations on 12 of the 18 inventory items. The results
demonstrate that patients with DAT become more passive, more coarse, and
less spontaneous as a result of the disease. Personality changes are a
consistent part of the clinical syndrome of DAT and occur early in the
course of the disease.
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