Effects of Verbal Working Memory Load on Corticocortical Connectivity Modeled by Path Analysis of Functional Magnetic Resonance Imaging Data. - Garry Honey; Cynthia H. Y. Fu; Jieun Kim; Michael J. Brammer; T. J. Croudace; John Suckling; E. M. Pich; Steven C. R. Williams; Edward T. Bullmore (NeuroImage, 2002)