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Friends will be friends: Brain potential evidence of social presence effects during syntactic sentence processing
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Poster E46 in Poster Session E, Thursday, October 26, 10:15 am - 12:00 pm CEST, Espace Vieux-Port
Pilar Casado1,2, Laura Jiménez1,2, Tatiana Almeida-Rivera1,2, Sabela Fondevila1,2, Francisco Muñoz-Muñoz1,2, Miguel Rubianes1,2, José Sánchez-García2, Manuel Martín-Loeches1,2; 1Department of Psychobiology & Behavioral Sciences Methods, Complutense University of Madrid, Madrid, Spain, 2Cognitive Neuroscience Section, UCM-ISCIII Center for Human Evolution and Behavior, Madrid, Spain
Although traditionally most studies have been conducted in social isolation, how language processing is affected by social presence has recently received increased attention. In this regard, they have been reported that ERP responses to syntactic errors are modulated by the mere presence of an unknown confederate, as opposed to alone conditions. However, the social distance between the participant and the confederate has not been tested, even when there is evidence that the strength of the collaboration with friends would be greater than with non-friends. In the present study, we used event-related potentials to investigate how situating language in a social context influences syntactic processing as a function of whether the participant and the co-present person are friends or unknown people. Thirty-six native Spanish speakers read sentences that could contain morphosyntactic anomalies either alone or in the presence of a friend. The Social presence of a friend seemed to affect syntactic processing. Compared to the alone condition, the mere presence of a friend modulated the biphasic LAN/P600 ERP pattern to morpho-syntactic violations: While the LAN component increased, the P600 component vanished in response to incorrect words. This pattern, which contrasts with the results obtained when the accompanying person is unknown, has generally been interpreted as a result of a more efficient processing of syntactic information. Thus, the present results suggest that syntactic language processing could be facilitated in natural scenarios where friends are present.
Topic Areas: Syntax and Combinatorial Semantics,