Journal
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
Volume 106, Issue 16, Pages 6545-6549Publisher
NATL ACAD SCIENCES
DOI: 10.1073/pnas.0811910106
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Funding
- W. T. Grant Foundation
- John D. and Catherine T. MacArthur Foundation Network on Socioeconomic Status and Health
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The income-achievement gap is a formidable societal problem, but little is known about either neurocognitive or biological mechanisms that might account for income-related deficits in academic achievement. We show that childhood poverty is inversely related to working memory in young adults. Furthermore, this prospective relationship is mediated by elevated chronic stress during childhood. Chronic stress is measured by allostatic load, a biological marker of cumulative wear and tear on the body that is caused by the mobilization of multiple physiological systems in response to chronic environmental demands.
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