volume 29, issue 2, P393-403 2012
DOI: 10.3233/jad-2011-111904
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Barbara Caracciolo, Margaret Gatz, Weili Xu, Nancy L. Pedersen, Laura Fratiglioni

Abstract: We report the prevalence of subjective cognitive impairment (SCI) and cognitive impairment no dementia (CIND), their socio-demographic profile, and the contribution of genetic background and shared familial environment to SCI and CIND. Subjects were 11,926 dementia-free twin individuals aged ≥ 65 from the Swedish Twin Registry. SCI was defined as subjective complaint of cognitive change without objective cognitive impairment and CIND was defined according to current criteria. Overall prevalence of SCI and CIN…

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