COGNITIVE NEUROSCIENCE AND NEUROPSYCHOLOGYStimulus novelty and emotion perception: the near absence of habituation in the visual cortexSchupp, Harald T.a; Stockburger, Jessicaa; Codispoti, Mauriziod; Junghöfer, Markusb; Weike, Almut I.c; Hamm, Alfons O.c Author Information aDepartment of Psychology, University of Konstanz, Konstanz bInstitute for Biomagnetism and Biosignalanalysis, Münster University Hospital, Münster cDepartment of Psychology, University of Greifswald, Greifswald, Germany dDepartment of Psychology, University of Bologna, Bologna, Italy Correspondence and requests for reprints to Dr Harald T. Schupp, Institute of Psychology, University of Konstanz, PO Box D36, 78457 Konstanz, Germany Tel: +49 7531 882504; fax: +49 7531 882971; e-mail: [email protected] Sponsorship: This work was supported by the German Research Foundation (DFG) Grants Schu 1074/7-3 and 1074/10-1. Received 10 January 2006; accepted 12 January 2006 NeuroReport: March 20, 2006 - Volume 17 - Issue 4 - p 365-369 doi: 10.1097/01.wnr.0000203355.88061.c6 Buy Metrics Abstract In rapid serial visual presentation of pictures, an early event-related brain potential component shows enlarged negativity over occipital regions for emotional pictures compared with neutral pictures. The present study examined whether the processing of emotional target pictures varies as a function of stimulus repetition. Accordingly, pictures of erotica, neutral contents, and mutilations were repeatedly presented (90 times) while the electroencephalogram was recorded with a 129 dense sensor array. As in previous studies, emotional pictures were associated with a larger posterior negativity than neutral pictures. Furthermore, differential emotion processing did not vary as a function of stimulus repetition and was similarly expressed across blocks of picture presentation. These findings suggest the near absence of habituation in differential emotion processing during perceptual processing. © 2006 Lippincott Williams & Wilkins, Inc.