Core lexicon in aphasia: A longitudinal study.
Aphasia
discourse
longitudinal
stroke
Journal
Aphasiology
ISSN: 0268-7038
Titre abrégé: Aphasiology
Pays: England
ID NLM: 8708531
Informations de publication
Date de publication:
2023
2023
Historique:
pmc-release:
01
01
2024
medline:
12
10
2023
pubmed:
12
10
2023
entrez:
12
10
2023
Statut:
ppublish
Résumé
General consensus exists between clinicians as to the incorporation of discourse outcome measures into language assessment for persons with aphasia (PWA). The development of core lexicon measures (CoreLex) has enabled clinicians to reduce time and labor intensive preparatory work for discourse analysis, which has been considered as an alternative measure to quantify word retrieval ability in discourse in a clinical context. Although previous studies have investigated the quality of the measure, CoreLex has rarely been longitudinally explored. We aimed to investigate the adequacy of CoreLex to document linguistic changes in PWA over time. Specifically, we examined (1) whether natural language recovery from acute to chronic stages is manifested differentially by tasks and (2) the extent to which the ability to retrieve words in isolation predicts the ability to retrieve words in context. A total of 19 PWA participated in the study. They completed a language assessment including confrontation naming tasks (Boston Naming Test [BNT] and Hopkins Action Naming Assessment [HANA]) and a picture description task using the Cookie Theft picture at acute and chronic stages. Discourse samples from the picture description task were quantified using CoreLex. We found significant differences across tasks and time-points by PWA. Moderate correlations between the confrontation naming tasks and CoreLex were found at the acute stage but not at the chronic stage. Additionally, McNemar's tests demonstrated a significant difference in PWA's performance in CoreLex from the acute to the chronic stages. Our findings show that performance by PWA improves over time on all tasks, but language gains are manifested differentially by tasks. Performance in confrontation naming moderately predicts word retrieval in context acutely. However, lack of correlations between confrontation naming tasks and CoreLex later endorse inadequacy of using confrontation naming tasks as a proxy measure for discourse-level performance and improvement for PWA.
Sections du résumé
Background
UNASSIGNED
General consensus exists between clinicians as to the incorporation of discourse outcome measures into language assessment for persons with aphasia (PWA). The development of core lexicon measures (CoreLex) has enabled clinicians to reduce time and labor intensive preparatory work for discourse analysis, which has been considered as an alternative measure to quantify word retrieval ability in discourse in a clinical context. Although previous studies have investigated the quality of the measure, CoreLex has rarely been longitudinally explored.
Aims
UNASSIGNED
We aimed to investigate the adequacy of CoreLex to document linguistic changes in PWA over time. Specifically, we examined (1) whether natural language recovery from acute to chronic stages is manifested differentially by tasks and (2) the extent to which the ability to retrieve words in isolation predicts the ability to retrieve words in context.
Methods
UNASSIGNED
A total of 19 PWA participated in the study. They completed a language assessment including confrontation naming tasks (Boston Naming Test [BNT] and Hopkins Action Naming Assessment [HANA]) and a picture description task using the Cookie Theft picture at acute and chronic stages. Discourse samples from the picture description task were quantified using CoreLex.
Results
UNASSIGNED
We found significant differences across tasks and time-points by PWA. Moderate correlations between the confrontation naming tasks and CoreLex were found at the acute stage but not at the chronic stage. Additionally, McNemar's tests demonstrated a significant difference in PWA's performance in CoreLex from the acute to the chronic stages.
Conclusions
UNASSIGNED
Our findings show that performance by PWA improves over time on all tasks, but language gains are manifested differentially by tasks. Performance in confrontation naming moderately predicts word retrieval in context acutely. However, lack of correlations between confrontation naming tasks and CoreLex later endorse inadequacy of using confrontation naming tasks as a proxy measure for discourse-level performance and improvement for PWA.
Identifiants
pubmed: 37822874
doi: 10.1080/02687038.2022.2121598
pmc: PMC10564387
mid: NIHMS1836338
doi:
Types de publication
Journal Article
Langues
eng
Pagination
1679-1691Subventions
Organisme : NIDCD NIH HHS
ID : P50 DC014664
Pays : United States
Organisme : NIDCD NIH HHS
ID : R01 DC005375
Pays : United States
Organisme : NIDCD NIH HHS
ID : R01 DC011317
Pays : United States
Déclaration de conflit d'intérêts
Disclosure Statement The authors report no conflict of interest.
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