ArticleFrontiers in psychology2025
Atypical reward anticipation in impulsive individuals: evidence from EEG and experiential delay discounting.
Article in Frontiers in psychology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Impulsivity is characterized by impaired inhibition of thoughts and actions and a reduced ability to weigh the consequences of behavior. Importantly, impulsivity has been associated with altered reward processing and reward anticipation. Methods: We aimed to investigate neurophysiological indices of impulsive behavior using an experiential delay discounting task with 64-channel EEG in neurotypical adults ( Results: We registered feedback-related fronto-central theta and centro-parietal delta power, although did not find any correlation between impulsive behavior and these neurophysiological measures of reward sensitivity. However, we found higher power spectral density in the alpha band over parieto-occipital region during reward anticipation in individuals exhibiting more impulsive behavior in our task. Conclusion: These results suggest that impulsive individuals have less efficient mechanisms of reward anticipation, potentially resulting in lower tolerance for waiting.
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