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Social Cognitive and Affective Neuroscience Advance Access published online on August 27, 2009
Social Cognitive and Affective Neuroscience, doi:10.1093/scan/nsp033
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© The Author (2009). Published by Oxford University Press. For Permissions, please email: journals.permissions@oxfordjournals.org

Emotional deficits in adult ADHD patients: an ERP study

Martin J. Herrmann1, Theresa Schreppel1, Stefanie C. Biehl1, Christian Jacob1, Monika Heine1, Andrea Boreatti-Hümmer1, Andreas Mühlberger2 and Andreas J. Fallgatter1

1Department of Psychiatry, Psychosomatics and Psychotherapy, and 2Department of Psychology, University of Würzburg, Würzburg, Germany

This study examined general deficits in positive stimuli evaluation in adults with Attention Deficit Hyperactivity Disorder (ADHD). We investigated the event-related potentials to positive, negative and neutral pictures in 32 adults with ADHD and 32 control subjects. For this study we measured 21 electrodes placed in accordance with the international 10-20 system and calculated the early posterior negativity (EPN), which physiologically is characterized by more negative values for emotional as compared to neutral stimuli. We found significantly reduced EPN values for the ADHD patients compared to the healthy controls, but only in the positive stimuli condition, without any significant differences in the negative stimuli condition. Our data indicate that ADHD patients show less reactivity to positive visual stimuli which might be relevant in the context of described dysfunctions of the motivational-reward system in ADHD.

Keywords: emotion processing; adult ADHD; EEG; EPN; neural correlates

Correspondence should be addressed to Martin Herrmann, PhD, Department of Psychiatry, Psychosomatics and Psychotherapy, University of Würzburg, Fuechsleinstr. 15, 97080 Würzburg, Germany. E-mail: herrmann_m{at}klinik.uni-wuerzburg.de

Received August 28, 2008. Accepted July 20, 2009.


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