Relationship between Cognitive Functions and Multilevel Language Processing: Data from Chinese Speakers with Aphasia and Implications

Autor/inn/en	Wong, Wing Sze Winsy; Law, Sam Po
Titel	Relationship between Cognitive Functions and Multilevel Language Processing: Data from Chinese Speakers with Aphasia and Implications
Quelle	In: Journal of Speech, Language, and Hearing Research, 65 (2022) 3, S.1128-1144 (17 Seiten) PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	1092-4388
Schlagwörter	Cognitive Ability; Correlation; Attention Control; Short Term Memory; Executive Function; Nonverbal Ability; Language Processing; Role; Difficulty Level; Language Tests; Sentences; Speech Communication; Task Analysis; Factor Analysis; Sino Tibetan Languages; Predictor Variables; Prediction; Foreign Countries; Intelligence Tests; Brain Hemisphere Functions; Aphasia; Neurological Impairments; Hong Kong; Test of Nonverbal Intelligence + Suchen Sie Ihr Suchwort? Denkfähigkeit; Korrelation; Aufmerksamkeitstest; Kurzzeitgedächtnis; Sprachverarbeitung; Rollen; Schwierigkeitsgrad; Language test; Sprachtest; Sentence analysis; Satzanalyse; Aufgabenanalyse; Faktorenanalyse; Prädiktor; Vorhersage; Ausland; Intelligence test; Intelligenztest; Expressive Aphasie; Aphasie; Neurodegenerative Erkrankung; Hongkong
Abstract	Purpose: This study aims to investigate the relationship between nonverbal cognitive functions and language processing of people with aphasia (PWA) by taking a data-driven approach, as well as multiple cognitive components and multilevel linguistic perspectives. It is hypothesized that language performance is differentially associated with cognitive processing of PWA, with executive functions (EFs) playing a stronger role in language tasks with increasing linguistic complexity. Method: A language battery assessing word comprehension/production, sentence comprehension, and discourse production, together with a series of nonlinguistic cognitive tasks targeting simple/complex attention, short-term/working memory, or EFs, was administered to 53 Cantonese-speaking PWA. Cognitive factors extracted from principal component analysis applied to the cognitive battery served as predictors in four multiple regression analyses to predict PWA's performance at various linguistic levels. Results: Two cognitive factors, representing (a) simple attention and memory and (b) EF, were extracted. The former predicted performance in word processing tasks, whereas EF significantly predicted performance in all language tasks with increasing contribution as a function of linguistic complexity. Conclusion: The results based on Chinese PWA provide comprehensive evidence for the view that language performance is the end product of interaction between linguistic and nonlinguistic functions and have clear implications for clinical management of PWA. (As Provided).
Anmerkungen	American Speech-Language-Hearing Association. 2200 Research Blvd #250, Rockville, MD 20850. Tel: 301-296-5700; Fax: 301-296-8580; e-mail: slhr@asha.org; Web site: http://jslhr.pubs.asha.org
Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2024/1/01