Inter-individual variability in discourse informativeness in elderly populations.

Détails

ID Serval
serval:BIB_5D43EDC0A936
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Titre
Inter-individual variability in discourse informativeness in elderly populations.
Périodique
Clinical linguistics & phonetics
Auteur(s)
Pistono A., Pariente J., Bézy C., Pastor J., Tran T.M., Renard A., Fossard M., Nespoulous J.L., Jucla M.
ISSN
1464-5076 (Electronic)
ISSN-L
0269-9206
Statut éditorial
Publié
Date de publication
2017
Peer-reviewed
Oui
Volume
31
Numéro
5
Pages
391-408
Langue
anglais
Notes
Publication types: Journal Article
Publication Status: ppublish
Résumé
An increasing number of studies focus on discourse production in patients with neurodegenerative diseases and underline its clinical usefulness. However, if this is to be used as a clinical tool, one needs to consider how normal discourse varies within cognitively unimpaired elderly populations. In the current study, the aim has been to investigate discourse macrolinguistic variability. For this, 123 participants aged between 55 and 84 were recruited. A cluster analysis of their discourse macrolinguistic features was conducted. Then, cluster characterisation based on socio-demographic and linguistic performance was tested (fluency, naming, syntax and spelling). This method aims to identify various profiles of speaker and informativeness and then see if inter-individual variability may be related to socio-demographic and/or linguistic aspects. Four clusters of informativeness were found but no socio-demographic features appeared significant. The fourth cluster, defined as 'off topic', had lower performance during linguistic tasks than others and thus the boundary between normality and pathology should be questioned.

Mots-clé
Aged, Aged, 80 and over, Aging/physiology, Cognition, Female, Humans, Linguistics, Male, Middle Aged, Narration, Speech/physiology, Cluster analysis, cognition, discourse analysis, inter-individual variability, narrative
Pubmed
Web of science
Création de la notice
25/04/2017 18:02
Dernière modification de la notice
20/08/2019 15:15
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