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Examining Online Syntactic Processing of Spoken Complex Sentences in Chinese Using Dual-Modal Interference Tasks
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Relationship Between Cognitive Functions and Multilevel Language Processing: Data From Chinese Speakers With Aphasia
Wing Sze Winsy Wong1, Sam Po Law1
1Faculty of Education, The Unversity of Hong Kong, Pokfulam, Hong Kong SAR.
Journal of Speech, Language, and Hearing Research : JSLHR
|February 11, 2022
Summary
Executive functions significantly impact language processing in people with aphasia (PWA), especially in complex tasks. Simple attention and memory support word-level abilities, highlighting cognitive-linguistic interactions in aphasia recovery.
Area of Science:
- Neuroscience
- Linguistics
- Psychology
Background:
- Aphasia, a language disorder post-brain damage, often co-occurs with cognitive deficits.
- Understanding the interplay between cognitive functions and language processing is crucial for effective aphasia rehabilitation.
Purpose of the Study:
- To investigate the relationship between nonverbal cognitive functions and language processing in people with aphasia (PWA).
- To examine how different cognitive components, particularly executive functions (EFs), influence language performance across varying linguistic complexity.
Main Methods:
- Administered a language battery and cognitive tasks to 53 Cantonese-speaking PWA.
- Utilized principal component analysis and multiple regression to identify cognitive factors and predict language performance.
Main Results:
- Two cognitive factors were extracted: simple attention/memory and EFs.
- Simple attention/memory predicted word processing, while EFs predicted all language tasks, with complexity increasing EF's contribution.
Conclusions:
- Language performance in PWA results from the interaction of linguistic and nonlinguistic functions.
- Findings have significant implications for the clinical management and targeted therapies for individuals with aphasia.
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