An ER-fMRI study of Russian inflectional morphology  

Oleh:

Slioussar, Natalia ; Kireev, Maxim V. ; Chernigovskaya, Tatiana V. ; Kataeva, Galina V. ; Korotkov, Alexander D. ; Medvedev, Svyatoslav V.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Brain and Language (Full Text) vol. 130 (2014), page 33-41.
Topik: fMRI; Russian; Morphology; Mental lexicon; Dual-system theories; Single-system theories; Processing load
Fulltext: 130_Slioussar.pdf (932.28KB)

Isi artikel

The generation of regular and irregular past tense verbs has long been a testing ground for different models of inflection in the mental lexicon. Behavioral studies examined a variety of languages, but neuroimaging studies rely almost exclusively on English and German data. In our fMRI experiment, participants inflected Russian verbs and nouns of different types and corresponding nonce stimuli. Irregular real and nonce verbs activated inferior frontal and inferior parietal regions more than regular verbs did, while no areas were more activated in the opposite comparison. We explain this activation pattern by increasing processing load: a parametric contrast revealed that these regions are also more activated for nonce stimuli compared to real stimuli. A very similar pattern is found for nouns. Unlike most previously obtained results, our findings are more readily compatible with the single-system approach to inflection, which does not postulate a categorical difference between regular and irregular forms.

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