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The effects of noun-phrase type and parallel function on online sentence processing for normal elderly adults

Title
The effects of noun-phrase type and parallel function on online sentence processing for normal elderly adults
Authors
Lee J.S.Sung J.E.
Ewha Authors
성지은
SCOPUS Author ID
성지은scopus
Issue Date
2015
Journal Title
Communication Sciences and Disorders
ISSN
2288-1328JCR Link
Citation
vol. 20, no. 2, pp. 222 - 236
Keywords
ElderlyNoun phraseOnline processingParallel functionSentence comprehension
Publisher
Korean Academy of Speech-Language Pathology and Audiology
Indexed
SCOPUS scopus
Abstract
Objectives: The purpose of the current study is to investigate age-related changes in online sentence processing abilities, when the noun-phrase (NPs) and parallel function of head nouns are systematically manipulated. Methods: A total of 60 individuals participated in this study (30 per age group). The study employed a self-paced reading paradigm to measure online reading times for various sentences. Yes/no questions were administered at the end of a sentence to measure offline abilities. Results: Results from the offline questions revealed that the elderly group showed lower accuracy and slower response times (RTs) than the young group. Participants showed higher accuracy and faster RTs when the NPs were unmatched rather than matched, and for sentences with parallel rather than non-parallel functions. Although both groups showed faster RTs when the NPs were unmatched, the differences were larger in the elderly group. Results from the online reading times with head noun and verbs in the main sentences revealed that the elderly group showed longer reading times than the young group. Participants showed shorter reading times in sentences with parallel functions. And although both groups showed shorter reading times when the NPs were unmatched, the differences were larger in the elderly group. Conclusion: The results suggest that noun phrase types have greater effects on age-related decline in online sentence processing than the parallel function of head nouns. This is expected to help make a hierarchy of difficulty system for sentence comprehension which could be used for intervention with the elderly. © 2015 Korean Academy of Speech-Language Pathology and Audiology.
DOI
10.12963/csd.15220
Appears in Collections:
사범대학 > 언어병리학과 > Journal papers
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