Neuropsychology and neuropharmacology of P3a and P3b.

By John Polich, J. Criado. International Journal of Psychophysiology, 2006

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Repetition and Event-related Potentials: Distinguishing Early and Late Processes in Affective Picture Perception (2007, background): “Attention can also be strategically directed to relevant stimuli via task or instructions, and studies of directed attention generally find that the centroparietal positive potential to a task-relevant cue similarly shows no habituation, whereas habituation to a task-irrelevant cue occurs quickly ( ”
Updating P300: an integrative theory of P3a and P3b. (2007, positive): “These data suggest that at least the P3a and some portion of the P3b are affected by dopaminergic activity (Polich and Criado, 2006).”
A New Auditory Multi-Class Brain-Computer Interface Paradigm: Spatial Hearing as an Informative Cue (2010, neutral): “This is consistent with the assumption that negative ROC values are associated with attentional differences of the eary negative waves [41] and positive ROC values are associated with the P300 wave differences [42].”
Affective picture processing: an integrative review of ERP findings. (2008, background): “A challenge for the LC–NE theory is to accomodate effects for both P3a and P3b subcomponents (Polich and Criado, 2006), given the differential susceptibility of these subcomponents to affective modulation (Delplanque et al.”