Unified inflectional processing of regular and irregular verbs: A PET study

Sach, M.; Seitz, R. J.; Indefrey, Peter

doi:10.1097/01.wnr.0000113529.32218.92

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Unified inflectional processing of regular and irregular verbs: A PET study

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Indefrey, Peter
Language Acquisition Group, MPI for Psycholinguistics, Max Planck Society;
The Dynamics of Multilingual Processing, MPI for Psycholinguistics, Max Planck Society;

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引用

Sach, M., Seitz, R. J., & Indefrey, P. (2004). Unified inflectional processing of regular and irregular verbs: A PET study. NeuroReport, 15(3), 533-537. doi:10.1097/01.wnr.0000113529.32218.92.

引用: https://hdl.handle.net/11858/00-001M-0000-0013-1C18-B

要旨

Psycholinguistic theories propose different models of inflectional processing of regular and irregular verbs: dual mechanism models assume separate modules with lexical frequency sensitivity for irregular verbs. In contradistinction, connectionist models propose a unified process in a single module.We conducted a PET study using a 2 x 2 design with verb regularity and frequency.We found significantly shorter voice onset times for regular verbs and high frequency verbs irrespective of regularity. The PET data showed activations in inferior frontal gyrus (BA 45), nucleus lentiformis, thalamus, and superior medial cerebellum for both regular and irregular verbs but no dissociation for verb regularity.Our results support common processing components for regular and irregular verb inflection.