Table 1. Three types of DTI/fMRI data fusion methods. Selected representative publications for each category are listed in the right column.

		Representative publications
fMRI -> DTI (fMRI assists DTI)	FMRI guided fiber tracking or filtering	Conturo et al. (1999), Dougherty et al. (2005), Upadhyay et al. (2007), Guye et al. (2003), Yang et al. (2009), Ethofer et al. (2011), Shimono et al. (2012), Broser et al. (2012), Greicius et al. (2009), Van den Heuvel et al. (2008b)
	FMRI based validation	Johansen-Berg et al. (2004), Schubotz et al. (2010)
DTI -> fMRI (DTI assists fMRI)	Functional analysis based on DTI-derived network	Douaud et al. (2011), Iyer et al. (2013), Pinotsis et al. (2013)
	Inferring functional roles from structural connectivity	Zhu et al. (2012b)
DTI <-> fMRI (Joint DTI/fMRI fusion)	Joint analysis	Andrews-Hanna et al. (2007), Goble et al. (2012), Propper et al. (2010), Teipel et al. (2010), Hagmann et al. (2008), Honey et al. (2009)
	Joint modeling	Bowman et al. (2012), Calamante et al. (2013), O’Donnell et al. (2012)