White matter density (VIDEO)
Caption
This video is a map of edge density, a measure of the density of white matter connections between different brain regions. The color scale goes from dark purple where there are only sparse connections, to a yellowish white where the connections are most densely packed. A University of Iowa study suggest that damage to highly connected regions of white matter is more predictive of cognitive impairment than damage to highly connected gray matter hubs.
Credit
Justin Reber, University of Iowa
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