Solving future problems: Default network and executive activity associated with goal-directed mental simulations. - Kathy D. Gerlach; R. Nathan Spreng; Adrian W. Gilmore; Daniel L. Schacter (NeuroImage, 2011)

Autobiographical Planning and the Brain: Activation and Its Modulation by Qualitative Features. - R. Nathan Spreng; Kathy D. Gerlach; Gary R. Turner; Daniel L. Schacter (J. Cogn. Neurosci., 2015)