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Neural bearbetning av regelbunden och oregelbunden aspektböjning i modern grekiska: En MMN-studie
Stockholm University, Faculty of Humanities, Department of Linguistics.
2019 (Swedish)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesisAlternative title
Neural processing of regular and irregular aspectual in ection in modern Greek : An MMN-study (English)
Abstract [sv]

Skillnader i morfologisk komplexitet mellan språk har inte fått mycket fokus i forskningen kring neural bearbetning av morfologisk information. Trots detta har slutsatser dragits gällande böjningsmorfologi argumenterande för en skild bearbetning baserat på regelbundenhet, dvs. dekompositionell och holistisk bearbetning av regelbundna och oregelbundna böjningar respektive.

För att tillföra forskningen en större morfologisk komplexitet och för att undersöka relationen mellan det kontinuerliga regelbundenhetspektrat och dikotomin av dekompositionell-holistisk bearbetning, undersökte denna uppsats den neurala bearbetningen av aspektböjning i modern grekiska, ett språk med hög grad av komplex böjningsmorfologi.

Den tidiga auditiva ERP-komponenten MMN användes för att undersöka detta genom exploatering av dess påvisade relation till långtidsminnet genom att återspegla högre språkliga processer så som syntaktisk (sMMN) och lexikal (lMMN) bearbetning. Resultaten visade två MMN pikar, en tidigare vid 120-175 ms och en senare vid 240-300 ms, vilka modulerades enligt en sMMN-elicitering för både regelbunden och oregelbunden aspektböjning. Dessa resultat talar för en dekompositionell bearbetning av oregelbunden aspektböjning genom svag suppletion (/vɣázo/ → /vɣálo/) och argumenterades indikera avsaknaden av nödvändig morfologisk regelbundenhet för en möjlig dekompositionell böjningsbearbetning.

Abstract [en]

Differences in morphological complexity between languages have not recieved much attention within the field of neural processing of morphological information. Conclusions have though been drawn regarding inflectional morphology, arguing for different processing of regular and irregular inflections, i.e. decompositional and holistic processing respectively.

To provide the research with higher morphological complexity and to investigate the relationship between the continuous regularity spectra and the dichotomy of decompositional-holistic processing, this thesis investigated the neural processing of aspectual inflection in modern Greek, a highly inflected language with complex verbal morphology.

The early auditory ERP-component MMN was used to investigate this by exploiting it's shown longterm memory connections, reflecting higher linguisic processes such as syntactic (sMMN) and lexical (lMMN) processing. Results showed two MMN peaks, one earlier at around 120-175 ms and one later at around 240-300 ms. The peaks were modulated according to an sMMN elicitation for both regular and irregular inflections. These results, speaking for a decompositional processing of a irregular verb by weak suppletion (/vɣázo/ → /vɣálo/), were argued to indicate a lack of necessity of morphological regularity for a decompositional processing of inflection.

Place, publisher, year, edition, pages
2019. , p. 28
Keywords [en]
Lexical access, Morphology, Aspect, Inflection, Mismatch Negativity, sMMN, ERP, Greek
Keywords [sv]
Lexikal access, Morfologi, Aspekt, Böjning, Mismatch Negativity, sMMN, ERP, Grekiska
National Category
General Language Studies and Linguistics
Identifiers
URN: urn:nbn:se:su:diva-169650OAI: oai:DiVA.org:su-169650DiVA, id: diva2:1324310
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Available from: 2019-06-18 Created: 2019-06-13 Last updated: 2019-06-18Bibliographically approved

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