ArticlePsychology and aging2016
"A Culture-Brain Link: Negative Age Stereotypes Predict Alzheimer's Disease Biomarkers": Correction to Levy et al. (2016).
Article in Psychology and aging, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Reports an error in "A Culture-Brain Link: Negative Age Stereotypes Predict Alzheimer's Disease Biomarkers" by Becca R. Levy, Luigi Ferrucci, Alan B. Zonderman, Martin D. Slade, Juan Troncoso and Susan M. Resnick (Psychology and Aging, Advanced Online Publication, Dec 7, 2015, np). In the article, the correct analyses were reported for bootstrapping; however, the sizes of the bootstrapping samples for Studies 1 and 2 were reversed. (The following abstract of the original article appeared in record 2015-54839-001.) Although negative age stereotypes have been found to predict adverse outcomes among older individuals, it was unknown whether the influence of stereotypes extends to brain changes associated with Alzheimer's disease. To consider this possibility, we drew on dementia-free participants, in the Baltimore Longitudinal Study of Aging, whose age stereotypes were assessed decades before yearly magnetic resonance images and brain autopsies were performed. Those holding more-negative age stereotypes earlier in life had significantly steeper hippocampal-volume loss and significantly greater accumulation of neurofibrillary tangles and amyloid plaques, adjusting for relevant covariates. These findings suggest a new pathway to identifying mechanisms and potential interventions related to the pathology of Alzheimer's disease.
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