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|a dc
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|a Mackey, Allyson
|e author
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|a Massachusetts Institute of Technology. Department of Brain and Cognitive Sciences
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|a McGovern Institute for Brain Research at MIT
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|a Mackey, Allyson
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|a Finn, Amy Sue
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|a Leonard, Julia Anne
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|a Gabrieli, John D. E.
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|a Finn, Amy Sue
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|a Leonard, Julia Anne
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|a Gabrieli, John D. E.
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|a Jacoby-Senghor, Drew S.
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|a West, Martin R.
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|a Gabrieli, Christopher F. O.
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|a Neuroanatomical Correlates of the Income-Achievement Gap
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|b Sage Publications/Association for Psychological Science,
|c 2015-04-23T13:56:20Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/96726
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|a In the United States, the difference in academic achievement between higher- and lower-income students (i.e., the income-achievement gap) is substantial and growing. In the research reported here, we investigated neuroanatomical correlates of this gap in adolescents (N = 58) in whom academic achievement was measured by statewide standardized testing. Cortical gray-matter volume was significantly greater in students from higher-income backgrounds (n = 35) than in students from lower-income backgrounds (n = 23), but cortical white-matter volume and total cortical surface area did not differ significantly between groups. Cortical thickness in all lobes of the brain was greater in students from higher-income than lower-income backgrounds. Greater cortical thickness, particularly in temporal and occipital lobes, was associated with better test performance. These results represent the first evidence that cortical thickness in higher- and lower-income students differs across broad swaths of the brain and that cortical thickness is related to scores on academic-achievement tests.
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|a Bill & Melinda Gates Foundation
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|a National Institutes of Health (U.S.) (Grant F32 HD079143-01)
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|a National Institutes of Health (U.S.) (Grant F32 MH095354-01)
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|a en_US
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|a Article
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|t Psychological Science
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