Multi-site phasic neural activity mediates the execution of an auditory continuous performance task: a PET and electrophysiological study. - Lockwood AH; Wack DS; Benedict RH; Coad ML; Sussman JE; Burkard RF; Lockwood, Alan H; Wack, David S; Benedict, Ralph H B; Coad, Mary Lou; Sussman, Joan E; Burkard, Robert F (Journal of Neuroimaging, 2008)