The contrast between regular and irregular inflectional morphology has been useful in in-udvestigating the functional and neural architecture of language. However, most studies haveudexamined the regular/irregular distinction in non-agglutinative Indo-European languagesud(primarily English) with relatively simple morphology. Additionally, the majority of researchudhas focused on verbal rather than nominal inflectional morphology. The present study at-udtempts to address these gaps by introducing both plural and past tense production tasks inudHungarian, an agglutinative non-Indo-European language with complex morphology. Hereudwe report results on these tasks from healthy Hungarian native-speaking adults, in whomudwe examine regular and irregular nominal and verbal inflection in a within-subjects design.udRegular and irregular nouns and verbs were stem on frequency, word length, and phonolog-udical structure, and both accuracy and response times were acquired. The results revealedudthat the regular/irregular contrast yields similar patterns in Hungarian, for both nominal andudverbal inflection, as in previous studies of non-agglutinative Indo-European languages: theudproduction of irregular inflected forms was both less accurate and slower than of regularudforms, both for plural and past-tense inflection. The results replicate and extend previousudfindings to an agglutinative language with complex morphology. Together with previousudstudies, the evidence suggests that the regular/irregular distinction yields a basic behavioraludpattern that holds across language families and linguistic typologies. Finally, the study setsudthe stage for further research examining the neurocognitive substrates of regular and irregu-udlar morphology in an agglutinative non-Indo-European language.
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