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Depressive Symptoms and Longitudinal Changes in Cognition: Women's Health Initiative Study of Cognitive Aging
Journal article   Open access   Peer reviewed

Depressive Symptoms and Longitudinal Changes in Cognition: Women's Health Initiative Study of Cognitive Aging

Joseph S Goveas, Mark A Espeland, Patricia E Hogan, Hilary A Tindle, Regina A Shih, Jane M Kotchen, Jennifer G Robinson, Deborah E Barnes and Susan M Resnick
Journal of geriatric psychiatry and neurology, Vol.27(2), pp.94-102
06/2014
DOI: 10.1177/0891988714522697
PMCID: PMC4433445
PMID: 24584465
url
http://doi.org/10.1177/0891988714522697View
Open Access

Abstract

Elevated depressive symptoms (DS) are associated with incident mild cognitive impairment and probable dementia in postmenopausal women. We examined the association of elevated DS with domain-specific cognitive changes and the moderating role of cardiovascular risk factor severity and cardiovascular disease (CVD). A total of 2221 elderly women who participated in the Women's Health Initiative Study of Cognitive Aging were separated into those with (N = 204) and without (N = 2017) elevated DS. The DS and multidomain cognitive outcomes were measured annually for an average follow-up of 5.04 years. Women with elevated DS showed baseline multidomain cognitive deficits but longitudinal declines in global cognition only. Persistent DS was related to greater global cognition, verbal knowledge and fluency, and memory declines. Significant DS-CVD interactions were observed cross-sectionally (but not longitudinally) for figural memory and fine motor speed. Future studies should investigate the role of nonvascular mechanisms linking DS and cognitive decline.
Severity of Illness Index Myocardial Infarction - epidemiology Women's Health Cross-Sectional Studies Humans Risk Factors Aging - psychology Dementia - diagnosis Dementia - epidemiology Vascular Diseases - epidemiology Depression - diagnosis Cognition Disorders - diagnosis Cognitive Aging - physiology Cognitive Aging - psychology Cognitive Dysfunction - epidemiology Aged, 80 and over Cardiovascular Diseases - epidemiology Cognition - physiology Postmenopause Female Aged Cognitive Dysfunction - diagnosis

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