Processing speed is correlated with cerebral health markers in the frontal lobes as quantified by neuroimaging. - Peter V. Kochunov; Thomas R. Coyle; Jack L. Lancaster; Donald A. Robin; L. J. Hardies; V. Kochunov; George Bartzokis; J. Stanley; Donald Royall; A. E. Schlosser; M. Null; Peter T. Fox (NeuroImage, 2010)