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Negative reward expectations in Borderline Personality Disorder patients: Neurophysiological evidence
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Borderline Personality Disorder (BPD) patients present profound disturbances in affect regulation and impulse control which could reflect a dysfunction in reward-related processes. The current study investigated these processes in a sample of 18 BPD patients and 18 matched healthy controls, using an event-related brain potentials methodology. Results revealed a reduction in the amplitude of the Feedback-Related Negativity of BPD patients, which is a neurophysiological index of the impact of negative feedback in reward-related tasks. This reduction, in the effect of negative feedback in BPD patients, was accompanied by a different behavioral pattern of risk choice compared to healthy participants. These findings confirm a dysfunctional reward system in BDP patients, which might compromise their capacity to build positive expectations of future rewards and decision making.
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VEGA, Daniel, SOTO, Angel, AMENGUAL, Julià l., RIBAS, Joan, TORRUBIA, Rafael, RODRÍGUEZ FORNELLS, Antoni, MARCO PALLARÉS, Josep. Negative reward expectations in Borderline Personality Disorder patients: Neurophysiological evidence. _Biological Psychology_. 2013. Vol. 94, núm. 2, pàgs. 388-396. [consulta: 20 de gener de 2026]. ISSN: 0301-0511. [Disponible a: https://hdl.handle.net/2445/181455]