BAS-drive trait modulates dorsomedial striatum activity during reward response-outcome associations
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Scholar |
Otros documentos de la autoría: Costumero, Víctor; Barrós-Loscertales, Alfonso; Fuentes-Claramonte, Paola; Rosell Negre, Patricia; Bustamante, Juan Carlos; Avila, Cesar
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http://dx.doi.org/10.1007/s11682-015-9466-5 |
Metadatos
Título
BAS-drive trait modulates dorsomedial striatum activity during reward response-outcome associationsAutoría
Fecha de publicación
2016Editor
Springer USISSN
1931-7565Cita bibliográfica
COSTUMERO, Víctor, et al. BAS-drive trait modulates dorsomedial striatum activity during reward response-outcome associations. Brain imaging and behavior, 2016, p. 869–879Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://link.springer.com/article/10.1007%2Fs11682-015-9466-5Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
According to the Reinforcement Sensitivity Theory, behavioral studies have found that individuals with stronger reward sensitivity easily detect cues of reward and establish faster associations between instrumental ... [+]
According to the Reinforcement Sensitivity Theory, behavioral studies have found that individuals with stronger reward sensitivity easily detect cues of reward and establish faster associations between instrumental responses and reward. Neuroimaging studies have shown that processing anticipatory cues of reward is accompanied by stronger ventral striatum activity in individuals with stronger reward sensitivity. Even though establishing response-outcome contingencies has been consistently associated with dorsal striatum, individual differences in this process are poorly understood. Here, we aimed to study the relation between reward sensitivity and brain activity while processing response-reward contingencies. Forty-five participants completed the BIS/BAS questionnaire and performed a gambling task paradigm in which they received monetary rewards or punishments. Overall, our task replicated previous results that have related processing high reward outcomes with activation of striatum and medial frontal areas, whereas processing high punishment outcomes was associated with stronger activity in insula and middle cingulate. As expected, the individual differences in the activity of dorsomedial striatum correlated positively with BAS-Drive. Our results agree with previous studies that have related the dorsomedial striatum with instrumental performance, and suggest that the individual differences in this area may form part of the neural substrate responsible for modulating instrumental conditioning by reward sensitivity. [-]
Publicado en
Brain imaging and behavior, 2016, Vol. 10, núm. 3Derechos de acceso
© Springer Science+Business Media New York 2015
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