Spontaneous Brain Activity Predicts Learning Ability of Foreign Sounds
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Otros documentos de la autoría: Ventura Campos, Mercedes; Sanjuán Tomás, Ana; González-Álvarez, Julio; Palomar-García, María-Ángeles; Rodríguez Pujadas, Aina; Sebastián Gallés, Nuria; Deco, Gustavo; Avila, Cesar
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Título
Spontaneous Brain Activity Predicts Learning Ability of Foreign SoundsAutoría
Fecha de publicación
2013-05Editor
Society for NeuroscienceCita bibliográfica
VENTURA CAMPOS, Noelia, et al. Spontaneous brain activity predicts learning ability of foreign sounds. The Journal of Neuroscience, 2013, 33.22: 9295-9305.Tipo de documento
info:eu-repo/semantics/articleVersión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
Can learning capacity of the human brain be predicted from initial spontaneous functional connectivity (FC) between brain areas involved in a task? We combined task-related functional magnetic resonance imaging (fMRI) ... [+]
Can learning capacity of the human brain be predicted from initial spontaneous functional connectivity (FC) between brain areas involved in a task? We combined task-related functional magnetic resonance imaging (fMRI) and resting-state fMRI (rs-fMRI) before and after training with a Hindi dental–retroflex nonnative contrast. Previous fMRI results were replicated, demonstrating that this learning recruited the left insula/frontal operculum and the left superior parietal lobe, among other areas of the brain. Crucially, resting-state FC (rs-FC) between these two areas at pretraining predicted individual differences in learning outcomes after distributed (Experiment 1) and intensive training (Experiment 2). Furthermore, this rs-FC was reduced at posttraining, a change that may also account for learning. Finally, resting-state network analyses showed that the mechanism underlying this reduction of rs-FC was mainly a transfer in intrinsic activity of the left frontal operculum/anterior insula from the left frontoparietal network to the salience network. Thus, rs-FC may contribute to predict learning ability and to understand how learning modifies the functioning of the brain. The discovery of this correspondence between initial spontaneous brain activity in task-related areas and posttraining performance opens new avenues to find predictors of learning capacities in the brain using task-related fMRI and rs-fMRI combined. [-]
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The Journal of Neuroscience, 29 May 2013, 33(22)Derechos de acceso
info:eu-repo/semantics/openAccess
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