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Twenty-nine healthy participants used a gambling task that focused on actual nonpredictable gains and losses. During the task, an electroencephalography recording was performed in order to assess reward processing. Event-related potentials were analyzed when participants were receiving gain\/loss feedback. Results. Event-related potentials revealed higher feedback-related negativity for both overall gain and loss compared with a neutral condition in fronto-centro-parietal electrodes. P3 potentials were significantly increased for high gains\/losses compared to neutral and small gains\/losses. Conclusion. These results indicate that the paradigm is suitable to evoke specific patterns of reward-related electrophysiological responses. The wavelet analysis showed that electroencephalography frequency variations depended on the amount of gains\/losses. Significance. This gambling paradigm is appropriate to measure aspects of feedback processing and could help analyze disease-specific alterations of the reward system in patients.<\/jats:p>","DOI":"10.1177\/1550059418814987","type":"journal-article","created":{"date-parts":[[2018,11,27]],"date-time":"2018-11-27T04:24:06Z","timestamp":1543292646000},"page":"154-160","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Event-Related Potentials Are Associated With Unexpected Gain and Loss: Using a Gambling Paradigm"],"prefix":"10.1177","volume":"50","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0966-2521","authenticated-orcid":false,"given":"Daniela","family":"Krause","sequence":"first","affiliation":[{"name":"Department of Psychiatry and Psychotherapy, University Hospital, Ludwig Maximilians University, Munich, 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