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The speakers' accent shapes the listeners' phonological predictions during speech perception

Abstract : This study investigates the specificity of predictive coding in spoken word comprehension using event-related potentials (ERPs). We measured word-evoked ERPs in Catalan speakers listening to semantically constraining sentences produced in their native regional accent (experiment 1) or in a non-native accent (experiment 2). Semantically anomalous words produced long-lasting negative shift (N400) starting as early as 250 ms, thus reflecting phonological as well as semantic mismatch. Semantically expected but phonologically unexpected (non-native forms embedded in a native context) produced only an early (∼250 ms) negative difference. In contrast, this phonological expectancy effect failed for native albeit phonologically unexpected target words embedded in a non-native context. These results suggest phonologically precise expectations when operating over native input, whilst phonologically less specified expectations in a non-native context. Our findings shed light on contextual influence during word recognition, suggesting that word form prediction based on context is sensitive and adaptive to phonological variability.
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Soumis le : samedi 3 novembre 2018 - 17:22:04
Dernière modification le : dimanche 4 novembre 2018 - 01:06:49

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Angèle Brunellière, Salvador Soto-Faraco. The speakers' accent shapes the listeners' phonological predictions during speech perception. Brain and Language, 2013, 125 (1), pp.82--93. ⟨10.1016/j.bandl.2013.01.007⟩. ⟨hal-01911768⟩



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