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Article Dans Une Revue PLoS ONE Année : 2021

Influence of homophone processing during auditory language comprehension on executive control processes: A dual-task paradigm

Résumé

In the present preregistered study, we evaluated the possibility of a shared cognitive mechanism during verbal and non-verbal tasks and therefore the implication of domain-general cognitive control during language comprehension. We hypothesized that a behavioral cost will be observed during a dual-task including both verbal and non-verbal difficult processing. Specifically, to test this claim, we designed a dual-task paradigm involving: an auditory language comprehension task (sentence comprehension) and a non-verbal Flanker task (including congruent and incongruent trials). We manipulated sentence ambiguity and evaluated if the ambiguity effect modified behavioral performances in the non-verbal Flanker task. Under the assumption that ambiguous sentences induce a more difficult process than unambiguous sentences, we expected non-verbal flanker task performances to be impaired only when a simultaneous difficult language processing is performed. This would be specifically reflected by a performance cost during incongruent Flanker items only during ambiguous sentence presentation. Conversely, we observed a facilitatory effect for the incongruent Flanker items during ambiguous sentence suggesting better non-verbal inhibitory performances when an ambiguous sentence was simultaneously processed. Exploratory data analysis suggests that this effect is not only related to a more difficult language processing but also to the previous ( n-1 ) Flanker item. Indeed, results showed that incongruent n-1 Flanker items led to a facilitation of the incongruent synchronized Flanker items only when ambiguous sentences were conjointly presented. This result, even if it needs to be corroborated in future studies, suggests that the recruitment of executive control mechanisms facilitates subsequent executive control implication during difficult language processing. The present study suggests a common executive control mechanism during difficult verbal and non-verbal tasks.

Domaines

Linguistique
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Dates et versions

hal-03344842 , version 1 (15-09-2021)

Identifiants

Citer

Samuel El Bouzaïdi Tiali, Elsa Spinelli, Fanny Meunier, Richard Palluel-Germain, Marcela Perrone-Bertolotti. Influence of homophone processing during auditory language comprehension on executive control processes: A dual-task paradigm. PLoS ONE, 2021, 16 (7), pp.e0254237. ⟨10.1371/journal.pone.0254237⟩. ⟨hal-03344842⟩
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