The bilingual brain: Cerebral representation of languages

Franco Fabbro

Research output: Contribution to journalArticle

Abstract

The present article deals with theoretical and experimental aspects of language representation in the multilingual brain. Two general approaches were adopted in the study of the bilingual brain. The study of bilingual aphasics allows us to describe dissociations and double dissociations between the different subcomponents of the various languages. Furthermore, symptoms peculiar to bilingual aphasia were reported (pathological mixing and switching and translations disorders) which allowed the correlation of some abilities specific to bilinguals with particular neurofunctional systems. Another approach to the study of the bilingual brain is of the experimental type, such as electrophysiological investigations (electrocorticostimulation during brain surgery and event-related potentials) and functional neuroanatomy studies (positron emission tomography and functional magnetic resonance imaging). Functional neuroanatomy studies investigated the brain representation of languages when processing lexical and syntactic stimuli and short stories. Neurophysiologic and neuroimaging studies evidenced a similar cerebral representation of L1 and L2 lexicons both in early and late bilinguals. The representation of grammatical aspects of languages seems to be different between the two languages if L2 is acquired after the age of 7, with automatic processes and correctness being lower than those of the native language. These results are in line with a greater representation of the two lexicons in the declarative memory systems, whereas morphosyntactic aspects may be organized in different systems according to the acquisition vs learning modality.

Original languageEnglish
Pages (from-to)211-222
Number of pages12
JournalBrain and Language
Volume79
Issue number2
DOIs
Publication statusPublished - 2001

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brain
Language
Brain
language
Neuroanatomy
Dissociative Disorders
Aptitude
Aphasia
speech disorder
Evoked Potentials
Neuroimaging
Positron-Emission Tomography
surgery
stimulus
Magnetic Resonance Imaging
Learning
event
ability
learning
Lexicon

Keywords

  • Bilingual aphasia
  • Functional neuroanatomy of bilingualism
  • Polyglot reactions

ASJC Scopus subject areas

  • Language and Linguistics
  • Experimental and Cognitive Psychology
  • Neuropsychology and Physiological Psychology
  • Neuroscience(all)

Cite this

The bilingual brain : Cerebral representation of languages. / Fabbro, Franco.

In: Brain and Language, Vol. 79, No. 2, 2001, p. 211-222.

Research output: Contribution to journalArticle

Fabbro, Franco. / The bilingual brain : Cerebral representation of languages. In: Brain and Language. 2001 ; Vol. 79, No. 2. pp. 211-222.
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