Attrition of aspect contrapositions in aphasia and bilingualism
The aim of the project “Aspect attrition” in Russian language is to analyze electrophysiological correlates of understanding of phrases with aspect and time violations. Within this project we have developed a paradigm for testing aspect deficiencies, this paradigm is used to test language norm and pathology. Experimental stimuli include correct sentences (type 1), sentences with temporal violations (type 2 with verb in the past tense in the context of conditions that related to the future) and sentences with aspect violations (type 3, with verb in perfective aspect describing lasting actions and vice versa).
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Last summer during just one day my neighbor has constructed a gazebo in his yard.
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Next weekend during just one day my neighbor has constructed a gazebo in his yard.
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Last summer several days in a raw my neighbor has constructed a gazebo in his yard.
The project is aimed at analysis of evoked brain potentials that accompany the perception of the verb-predicate in sentences with temporal and aspect violations (examples 2 and 3) as compared to the correct sentence (example 1) and comparison of the obtained data with results of similar experiments in other languages.
At present we have conducted three control behavioral experiments, testing aspect attrition in Russian-German bilinguals, aspect acquisition in normally developing children, in children with developmental deficiencies, and in aphasic patients. In collaboration with our foreign colleagues Portuguese language experiment was conducted.
Laboratory members working on this project: Olga Dragoy, Anna Yurchenko, Mariya Ivanova.
Project is supported by is supported by Center for Fundamental Research (CFR) HSE.
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