The role of executive control in bilingual language production: A study with Parkinson's disease individuals

Gabriele Cattaneo, Marco Calabria, Paula Marne, Alexandre Gironell, Jubin Abutalebi, Albert Costa

Research output: Contribution to journalArticle

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Abstract

The basal ganglia are critically involved in language control (LC) processes, allowing a bilingual to utter correctly in one language without interference from the non-requested language. It has been hypothesized that the neural mechanism of LC closely resembles domain-general executive control (EC). The purpose of the present study is to investigate the integrity of bilingual LC and its overlap with domain-general EC in a clinical population such as individuals with Parkinson's disease (PD), notoriously associated with structural damage in the basal ganglia.We approach these issues in two ways. First, we employed a language switching task to investigate the integrity of LC in a group of Catalan-Spanish bilingual individuals with PD, as compared to a group of matched healthy controls. Second, to test the relationship between domain-general EC and LC we compared the performances of individuals with PD and healthy controls also in a non-linguistic switching task. We highlight that, compared to controls, individuals with PD report decreased processing speed, less accuracy and larger switching costs in terms of RT and errors in the language switching task, whereas in the non-linguistic switching task PD patients showed only increased switching cost in terms of errors. However, we report a positive correlation between the magnitudes of linguistic and non-linguistic mixing costs in individuals with PD. Taken together, these results support the notion of a critical role of the basal ganglia and connected structures in LC, and suggest a possible link between LC and domain-general EC.

Original languageEnglish
Pages (from-to)99-110
Number of pages12
JournalNeuropsychologia
Volume66
DOIs
StatePublished - Jan 1 2015

Fingerprint

Executive Function
Parkinson's disease
Executive control
Parkinson Disease
Costs
Basal ganglia
Basal Ganglia
Costs and Cost Analysis
Task switching
Integrity
Language switching
Processing speed
Language production
Overlap
Damage
Linguistics
Research Design

Keywords

  • Bilingual language control
  • Bilingualism
  • Executive control
  • Parkinson's disease

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Cognitive Neuroscience
  • Experimental and Cognitive Psychology
  • Arts and Humanities (miscellaneous)

Cite this

The role of executive control in bilingual language production : A study with Parkinson's disease individuals. / Cattaneo, Gabriele; Calabria, Marco; Marne, Paula; Gironell, Alexandre; Abutalebi, Jubin; Costa, Albert.

In: Neuropsychologia, Vol. 66, 01.01.2015, p. 99-110.

Research output: Contribution to journalArticle

Cattaneo, Gabriele; Calabria, Marco; Marne, Paula; Gironell, Alexandre; Abutalebi, Jubin; Costa, Albert / The role of executive control in bilingual language production : A study with Parkinson's disease individuals.

In: Neuropsychologia, Vol. 66, 01.01.2015, p. 99-110.

Research output: Contribution to journalArticle

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