The Face of Negative Affect: Trial-by-Trial Corrugator Responses to Negative Pictures Are Positively Associated with Amygdala and Negatively Associated with Ventromedial Prefrontal Cortex Activity. - Aaron S. Heller; Regina C. Lapate; Kaitlyn E. Mayer; Richard J. Davidson (J. Cogn. Neurosci., 2014)