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Bilingualism may hinder language processing. Monolinguals outperform bilinguals in picture naming tasks, even when bilinguals use their native language, suggesting a lexical access disadvantage.

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Area of Science:

  • Psycholinguistics
  • Cognitive Neuroscience
  • Language Acquisition

Background:

  • Bilingualism is increasingly common globally.
  • Previous research suggests bilingualism may impact cognitive functions.
  • The potential linguistic disadvantage in lexical access for bilinguals remains debated.

Purpose of the Study:

  • To investigate if bilingualism confers a linguistic disadvantage in lexical access.
  • To compare the picture naming performance of monolinguals and bilinguals in their first language.
  • To determine if bilinguals exhibit slower lexical access compared to monolinguals.

Main Methods:

  • A picture naming experiment was designed.
  • Participants included monolinguals and highly-proficient, L1-dominant bilinguals.
  • Performance was measured by comparing naming speeds across groups and languages.

Main Results:

  • Monolinguals demonstrated faster picture naming speeds than bilinguals.
  • This difference was observed irrespective of whether bilinguals named pictures in their first or second language.
  • This study provides the first evidence of a naming disadvantage in a bilingual's native language (L1).

Conclusions:

  • Bilingualism may impose a lexical access cost even in the speaker's native language.
  • The findings challenge the notion that bilingualism solely confers cognitive advantages.
  • Further research is needed to explore the underlying mechanisms of this observed disadvantage.