Direct Comparison of Prefrontal Cortex Regions Engaged by Working and Long-Term Memory Tasks. - Todd S. Braver; Deanna M. Barch; William M. Kelley; Randy L. Buckner; Neal J. Cohen; Francis M. Miezin; Abraham Z. Snyder; John M. Ollinger; Erbil Akbudak; Thomas E. Conturo; Steven E. Petersen (NeuroImage, 2001)