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EnglishThe present research explored the main factors able to influence the subjects’ choices in the case of decisions and distinguish between high- and low-risk decisions. Behavioral responses (Iowa Gambling Task [IGT]), meta-cognitive strategy, and event-related potential (feedback-related negativity [FRN] and P300) effects were used as predictive markers of gambling behavior. Behavioral activation system (BAS)-reward measure was applied to distinguish between high-BAS and low-BAS. It was found that higher-BAS opted in favor of the immediate reward, with a concomitant dysfunctional metacognition of their strategy. Finally, a consistent “reward bias” affected the high-BAS performance reducing the P300 and FRN in response to unexpected (loss) events. The cortical localization (sLORETA) of ERPs showed the contribution by distinct anterior and posterior areas.
| Autori: | |
| Titolo: | Reward Sensitivity (Behavioral Activation System), Cognitive, and Metacognitive Control in Gambling Behavior: Evidences From Behavioral, Feedback-Related Negativity, and P300 Effect |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1176/appi.neuropsych.14070165 |
| Data di pubblicazione: | 2015 |
| Abstract: | The present research explored the main factors able to influence the subjects’ choices in the case of decisions and distinguish between high- and low-risk decisions. Behavioral responses (Iowa Gambling Task [IGT]), meta-cognitive strategy, and event-related potential (feedback-related negativity [FRN] and P300) effects were used as predictive markers of gambling behavior. Behavioral activation system (BAS)-reward measure was applied to distinguish between high-BAS and low-BAS. It was found that higher-BAS opted in favor of the immediate reward, with a concomitant dysfunctional metacognition of their strategy. Finally, a consistent “reward bias” affected the high-BAS performance reducing the P300 and FRN in response to unexpected (loss) events. The cortical localization (sLORETA) of ERPs showed the contribution by distinct anterior and posterior areas. |
| Lingua: | Inglese |
| Rivista: | |
| Citazione: | Balconi, M., Finocchiaro, R., Canavesio, Y., Reward Sensitivity (Behavioral Activation System), Cognitive, and Metacognitive Control in Gambling Behavior: Evidences From Behavioral, Feedback-Related Negativity, and P300 Effect, <<THE JOURNAL OF NEUROPSYCHIATRY AND CLINICAL NEUROSCIENCES>>, 2015; 27 (3): 219-227. [doi:10.1176/appi.neuropsych.14070165] [http://hdl.handle.net/10807/70741] |
| Appare nelle tipologie: | Articolo in rivista, Nota a sentenza |
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