1Cademy - Correlation of cortical gray matter with the income-achievement gap results: The correlation between MCAS scores and cortical gray matter

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Correlation of cortical gray matter with the income-achievement gap results: The correlation between MCAS scores and cortical gray matter

There was a significant correlation between higher MCAS scores and greater cortical thickness from the primary visual cortices dorsally to the parietal cortex and ventrally through the temporal lobe.
Controlling for family income reduced but did not eliminate the relationship found between cortical thickness and MCAS scores.
Controlling for cortical thickness greatly reduced the strength of the relationship between income status and MCAS scores.
The results suggest that cortical thickness in the clusters found to correlate with MCAS performance could account for as much as 44% of the income-achievement gap present in the sample that was studied.

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Updated 2021-03-21

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