Brain activity relating to the contingent negative variation: an fMRI investigation. - Yoko Nagai; Hugo D. Critchley; Eric Featherstone; Peter B. C. Fenwick; M. R. Trimble; Raymond J. Dolan (NeuroImage, 2004)

Activity in ventromedial prefrontal cortex covaries with sympathetic skin conductance level: a physiological account of a "default mode" of brain function. - Yoko Nagai; Hugo D. Critchley; Eric Featherstone; M. R. Trimble; Raymond J. Dolan (NeuroImage, 2004)