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Aging-related differences in the resolution of ambiguity from case marker deletions in a Verb-Final Language

Title
Aging-related differences in the resolution of ambiguity from case marker deletions in a Verb-Final Language
Authors
Sung J.E.Lee S.J.Eom B.
Ewha Authors
성지은
SCOPUS Author ID
성지은scopus
Issue Date
2019
Journal Title
Communication Sciences and Disorders
ISSN
2288-1328JCR Link
Citation
Communication Sciences and Disorders vol. 24, no. 3, pp. 695 - 706
Keywords
AgingNominative-initial preferenceSyntactic ambiguityVerb-final language
Publisher
Korean Academy of Speech-Language Pathology and Audiology
Indexed
SCOPUS scopus
Document Type
Article
Abstract
This study investigated how age differences impact the resolution of syntactic ambiguities arising through the manipulation of verb voice types and the number of noun phrases (NPs) in stimuli sets. The stimuli consisted of ambiguous sentences that we created by deleting case markers in Korean sentences. We examined resolution strategies from the viewpoint of the nominative-initial preference. Methods: A total of 105 Korean-speaking individuals participated in the study (young adults 49, old adults 56). We manipulated the number of NPs (1 vs. 2) and the verb voice types (active vs. passive) in morphologically ambiguous sentences with NPs that had no case markers. We administered a picture-selection task to examine this nominative-initial preference. Results: We found significant differences in the use of the nominative-initial strategy between the two age groups. Younger adults consistently demonstrated a preference for the nominative-initial strategy across conditions. In contrast, elderly adults presented less preference for the nominative-initial strategy than the younger adults. Conclusion: These findings indicate that elderly adults performed significantly differently in the engagement of the more frequently used syntactic template-based strategy (nominative-initial strategy) than younger adults when resolving syntactic ambiguity. The differences between the age groups in ambiguity resolution strategy may explain aging-related declines in sentence comprehension abilities. © 2019 Korean Academy of Speech-Language Pathology and Audiology.
DOI
10.12963/csd.19642
Appears in Collections:
사범대학 > 언어병리학과 > Journal papers
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