Show simple item record

dc.contributor.authorOrpella, Joan
dc.contributor.authorCallejas, Alicia
dc.identifier.citationOrpella J, Ripollés P, Ruzzoli M, Amengual JL, Callejas A, Martinez-Alvarez A, et al. (2020) Integrating when and what information in the left parietal lobe allows language rule generalization. PLoS Biol 18(11): e3000895.
dc.description.abstractA crucial aspect when learning a language is discovering the rules that govern how words are combined in order to convey meanings. Because rules are characterized by sequential co-occurrences between elements (e.g., “These cupcakes are unbelievable”), tracking the statistical relationships between these elements is fundamental. However, purely bottom-up statistical learning alone cannot fully account for the ability to create abstract rule representations that can be generalized, a paramount requirement of linguistic rules. Here, we provide evidence that, after the statistical relations between words have been extracted, the engagement of goal-directed attention is key to enable rule generalization. Incidental learning performance during a rule-learning task on an artificial language revealed a progressive shift from statistical learning to goal-directed attention. In addition, and consistent with the recruitment of attention, functional MRI (fMRI) analyses of late learning stages showed left parietal activity within a broad bilateral dorsal frontoparietal network. Critically, repetitive transcranial magnetic stimulation (rTMS) on participants’ peak of activation within the left parietal cortex impaired their ability to generalize learned rules to a structurally analogous new language. No stimulation or rTMS on a nonrelevant brain region did not have the same interfering effect on generalization. Performance on an additional attentional task showed that this rTMS on the parietal site hindered participants’ ability to integrate “what” (stimulus identity) and “when” (stimulus timing) information about an expected target. The present findings suggest that learning rules from speech is a two-stage process: following statistical learning, goal-directed attention—involving left parietal regions—integrates “what” and “when” stimulus information to facilitate rapid rule generalization.es_ES
dc.description.sponsorshipEuropean Research Council (ERC)es_ES
dc.description.sponsorshipSpanish Ministerio de Ciencia e Innovacio PRIME RdD-Bes_ES
dc.description.sponsorshipEuropean Research Council (ERC) 727595es_ES
dc.description.sponsorshipJuan de la Cierva Post-Doctorate Fellowship JCI-2012-12335es_ES
dc.description.sponsorshipMinisterio de Economia y Competividades_ES
dc.rightsAtribución 3.0 España*
dc.titleIntegrating when and what information in the left parietal lobe allows language rule generalizationes_ES

Files in this item


This item appears in the following Collection(s)

Show simple item record

Atribución 3.0 España
Except where otherwise noted, this item's license is described as Atribución 3.0 España