Table 1:

Input data for the illustrative study includes fiber tracts, corresponding neurobehavioral functions following a recent review, and scalar factors from the NIH Toolbox. We include an abbreviated name for each scalar factor.

Fiber Tract	Neuro-behavioral Function	Scalar Factor
Arcuate Fasciculus (AF)	Language	Picture Vocabulary Test (PicVocab)
		Oral Reading Recognition Test (ReadEng)
Uncinate Fasciculus (UF)	Memory	Picture Sequence Memory Test (PicSort)
		List Sorting Working Memory Test (ListSort)
Corticospinal Tract (CST)	Motor	Walk Endurance Test (Endurance)
		4-Meter Walk Gait Speed Test (GaitSpeed)
Cingulum Bundle (CB)	Executive function	Dimensional Change Card Sort Test (CardSort)
		Flanker Inhibitory Control and Attention Test (Flanker)