Objectives: The purpose of this study is to investigate how aging influences sentence processing when noun-phrases are presented differently. Methods: A total of 40 participants participated in the study ranging in age from 19 to 71. All were presented with sentences and pictures under either dative or accusative conditions. After that, they were asked to judge if the sentences were correct or incorrect. Results: First, there were significant differences between the older adults and younger adults in accuracy. The older group showed lower accuracy in the sentence judgment task. Second, there were significant differences between the older adults and younger adults in response time. The older group needed more time due to their lower cognitive resources. They made more errors when accusative noun phrases were provided. Third, the fixation proportion of the target stimulus between regions were significant in both types of dative and accusative noun phrase presentation. The older group showed lower proportions in the last region of the sentence. Conclusion: These results shows that both the elderly and the young gradually deal with the meaning of words through the noun phrase information. However, the elderly showed difficulty in assigning the correct thematic roles by using case-markers, given the lower proportion of fixation in the region where the target stimuli are presented. It is expected that difficulties in the communication process of the elderly will be better understood through this study.
|Translated title of the contribution||Effects of Differential Presentation of Noun Types on Sentence Processing in Elderly Adults: An Eye-tracking Study|
|Number of pages||16|
|Journal||Communication Sciences and Disorders|
|State||Published - 2021|
Bibliographical noteFunding Information:
This research was supported by the National Research Council of Science & Technology(NST) grant by the Korea government (MSIT) (No. CAP21051-000).
© 2021 Korean Academy of Speech-Language Pathology and Audiology This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (https://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
- Sentence processing