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Measures of cognitive function by VV and mean AT8 intensity tertiles. A) Scores on the MMSE were significantly higher in the lowest VV tertile compared to the highest, and in the lowest mean intensity tertile compared to the middle and highest tertiles. B) Scores on the Digit Span Backwards test were significantly higher in the lowest VV tertile compared to the highest, and in the lowest mean intensity tertile compared to the middle and highest tertiles. *p < 0.05.
