Subcortical lesions impact confrontation naming in bilinguals with later age of acquisition : An exploratory study

The bilingual experience is believed to impact brain development and, possibly, cognitive performance. Subcortical structures, including the striatum and white matter, are believed related to confrontation naming performance among bilingual individuals with later age of acquisition (AoA) and lower proficiency of a second language (L2). However, these findings are primarily derived from healthy adult samples, although there is clinical significance for the interpretation of naming performance. The present study examined whether striatal and white matter lesions were associated with naming tasks in clinic-referred bilingual veterans (n = 29) and whether L2 AoA moderated this relationship. Clinically rated lesions, without regard for AoA, were not consistently correlated with naming performance. Moderation models (lesion × AoA) were significant across naming tasks (i.e., naming scores were negatively correlated with striatal lesions with increasing AoA). Effect sizes were higher among striatal models as compared to white matter models. Results extend prior neuroimaging findings with healthy bilinguals that AoA moderates the relationship between subcortical lesions and naming performance in bilingual patients, and suggests that clinicians should consider specifics of bilingual experience when interpreting test scores.

Medienart:

E-Artikel

Erscheinungsjahr:

2023

Erschienen:

2023

Enthalten in:

Zur Gesamtaufnahme - volume:30

Enthalten in:

Applied neuropsychology. Adult - 30(2023), 2 vom: 08. März, Seite 269-277

Sprache:

Englisch

Beteiligte Personen:

González, David Andrés [VerfasserIn]
Soble, Jason R [VerfasserIn]
Bailey, K Chase [VerfasserIn]
Bain, Kathleen M [VerfasserIn]
Marceaux, Janice C [VerfasserIn]

Links:

Volltext

Themen:

Age of acquisition
Bilingualism
Journal Article
Naming
Spanish-English

Anmerkungen:

Date Completed 26.01.2023

Date Revised 02.02.2023

published: Print-Electronic

Citation Status MEDLINE

doi:

10.1080/23279095.2021.1934682

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM326488235