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Age-related differences in sentence processing of who-questions: An eye-tracking study

Title
Age-related differences in sentence processing of who-questions: An eye-tracking study
Authors
Jang J.-H.Sung J.E.
Ewha Authors
성지은
SCOPUS Author ID
성지은scopus
Issue Date
2020
Journal Title
Communication Sciences and Disorders
ISSN
2288-1328JCR Link
Citation
Communication Sciences and Disorders vol. 25, no. 25, pp. 382 - 398
Keywords
AgingCase markerEye-tracking studySentence processingWho-questions
Publisher
Korean Academy of Speech-Language Pathology and Audiology
Indexed
SCOPUS scopus
Document Type
Article
Abstract
Objectives: The purpose of this study was to compare the performance and eye tracking data of the young and the old in sentence processing tasks using the 'who+nominative' and 'who+accusative'. Methods: Participants in this study were 21 normal young adults and 17 normal elderly adults. All subjects passed the screening test for cognition and language, and there was no difference in education between the groups. Pictures and stories were presented at the same time, then subjects were asked to choose the corresponding answer on the screen. Results: First, the accuracy of the elderly group was significantly lower than that of young group. The elderly group performed much lower in the type 'who +accusative'. Second, there was no significant difference between the groups in fixation duration for the target stimulus, but all groups had lower fixation duration in the type of 'who+accusative'. Also, the heat map shows that fixation of the elderly was more dispersed than the young group. Finally, the fixation proportion of the target stimulus according to the time interval showed that the fixation proportion of the elderly decreased in the last section of the sentence. Conclusion: The elderly group showed lower accuracy and stronger gaze dispersion in 'who+accusative' type than the young group. Furthermore, the lower rate of fixation proportion for the elderly in the last section of the sentence is due to the lower efficiency of the sentence integration process compared to the young. © 2020 Korean Academy of Speech-Language Pathology and Audiology.
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DOI
10.12963/CSD.20683
Appears in Collections:
사범대학 > 언어병리학과 > Journal papers
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