The Tract-based spatial statistics (TBSS) of MD among AD, MCI, and NC groups.
A: comparison between AD and MCI. B: comparison between MCI and NC. C:comparison between AD and NC. The FA skeleton is displayed in green, which represent the center of the white matter tracts. Red-yellow color bar indicates significant MD elevate (p < .05 corrected for multiple comparisons using threshold-free cluster enhancement, the statistic value beside the color bar is 1-p). (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)