Reward anticipation enhances brain activation during response inhibition
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Scholar |
Otros documentos de la autoría: Rosell Negre, Patricia; Bustamante, Juan Carlos; Fuentes-Claramonte, Paola; Costumero, Víctor; Benabarre, Sergio; Barrós-Loscertales, Alfonso
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http://dx.doi.org/10.3758/s13415-014-0292-9 |
Metadatos
Título
Reward anticipation enhances brain activation during response inhibitionAutoría
Fecha de publicación
2014-06Editor
SpringerISSN
1530-7026; 1531-135XTipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://link.springer.com/article/10.3758/s13415-014-0292-9Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
The chance to achieve a reward starts up the required neurobehavioral mechanisms to adapt our thoughts and actions in order to accomplish our objective. However, reward does not equally reinforce everybody but depends ... [+]
The chance to achieve a reward starts up the required neurobehavioral mechanisms to adapt our thoughts and actions in order to accomplish our objective. However, reward does not equally reinforce everybody but depends on interindividual motivational dispositions. Thus, immediate reward contingencies can modulate the cognitive process required for goal achievement, while individual differences in personality can affect this modulation. We aimed to test the interaction between inhibition-related brain response and motivational processing in a stop signal task by reward anticipation and whether individual differences in sensitivity to reward (SR) modulate such interaction. We analyzed the cognitive–motivational interaction between the brain pattern activation of the regions involved in correct and incorrect response inhibition and the association between such brain activations and SR scores. We also analyzed the behavioral effects of reward on both reaction times for the “go” trials before and after correct and incorrect inhibition in order to test error prediction performance and postinhibition adjustment. Our results show enhanced activation during response inhibition under reward contingencies in frontal, parietal, and subcortical areas. Moreover, activation of the right insula and the left putamen positively correlates with the SR scores. Finally, the possibility of reward outcome affects not only response inhibition performance (e.g., reducing stop signal reaction time), but also error prediction performance and postinhibition adjustment. Therefore, reward contingencies improve behavioral performance and enhance brain activation during response inhibition, and SR is related to brain activation. Our results suggest the conditions and factors that subserve cognitive control strategies in cognitive motivational interactions during response inhibition. [-]
Publicado en
Cognitive, Affective, & Behavioral Neuroscience Vol. 14, no. 2 , 2014Derechos de acceso
© Springer International Publishing AG, Part of Springer Science+Business Media
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