Laura B Zahodne, Katherine Miller, Chuxuan Sun, Neika Sharifian, Jeanine M Parisi, George W Rebok, Adrienne T Aiken Morgan, Alden L Gross, Kelsey R Thomas, Cynthia Felix, Norma B Coe
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引用次数: 0
Abstract
Objectives: Greater perception of control over important life outcomes has been linked to better cognitive performance and greater benefits from cognitive training interventions among older adults. However, it is not yet known whether perceived control predicts incident Alzheimer's disease and related dementias (ADRD) or influences links between cognitive training and ADRD incidence.
Methods: Data were obtained from 2,021 participants in the Advanced Cognitive Training for Independent and Vital Elderly (ACTIVE) trial. Baseline perceived control was measured with the Personality in Intellectual Aging Contexts Inventory. Incident diagnosed ADRD over 20 years was operationalized using the Centers for Medicare and Medicaid Services claims data. Main effects of perceived control and interactions between perceived control and intervention group (reasoning, memory, speed, control) on diagnosed ADRD incidence were estimated using cause-specific hazard models.Results: Greater perceived control at study baseline was associated with reduced hazard of ADRD. Perceived control did not moderate associations between intervention group and time to ADRD diagnosis.
Discussion: Strengthening perceived control through individual and/or environmental interventions may lower ADRD risk.
期刊介绍:
The Journal of Gerontology: Psychological Sciences publishes articles on development in adulthood and old age that advance the psychological science of aging processes and outcomes. Articles have clear implications for theoretical or methodological innovation in the psychology of aging or contribute significantly to the empirical understanding of psychological processes and aging. Areas of interest include, but are not limited to, attitudes, clinical applications, cognition, education, emotion, health, human factors, interpersonal relations, neuropsychology, perception, personality, physiological psychology, social psychology, and sensation.