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Balanced bilinguals favor lexical processing in their opaque language and conversion system in their shallow language

  • Buetler, Karin A. Laboratory for Cognitive and Neurological Sciences, Neurology Unit, Department of Medicine, Faculty of Science, University of Fribourg, Switzerland
  • Rodríguez, Diego de León Laboratory for Cognitive and Neurological Sciences, Neurology Unit, Department of Medicine, Faculty of Science, University of Fribourg, Switzerland
  • Laganaro, Marina Faculty of Psychology and Educational Sciences, University of Geneva, Switzerland
  • Müri, René Division of Cognitive and Restorative Neurology, Departments of Neurology and Clinical Research, Inselspital, Bern University Hospital and University of Bern, Switzerland
  • Nyffeler, Thomas Perception and Eye Movement Laboratory, Departments of Neurology and Clinical Research, Inselspital, Bern University Hospital and University of Bern, Switzerland - Neurology and Neurorehabilitation Center, Luzerner Kantonsspital, Luzern, Switzerland
  • Spierer, Lucas Laboratory for Cognitive and Neurological Sciences, Neurology Unit, Department of Medicine, Faculty of Science, University of Fribourg, Switzerland
  • Annoni, Jean-Marie Laboratory for Cognitive and Neurological Sciences, Neurology Unit, Department of Medicine, Faculty of Science, University of Fribourg, Switzerland
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    03.11.2015
Published in:
  • Brain and Language. - 2015, vol. 150, p. 166–176
Reading
Words
Orthographic depth
Dual Route Model
ERP
EEG
Topography
Grapheme phoneme conversion
Bilingual
Reading strategies
English Referred to as orthographic depth, the degree of consistency of grapheme/phoneme correspondences varies across languages from high in shallow orthographies to low in deep orthographies. The present study investigates the impact of orthographic depth on reading route by analyzing evoked potentials to words in a deep (French) and shallow (German) language presented to highly proficient bilinguals. ERP analyses to German and French words revealed significant topographic modulations 240–280 ms post-stimulus onset, indicative of distinct brain networks engaged in reading over this time window. Source estimations revealed that these effects stemmed from modulations of left insular, inferior frontal and dorsolateral regions (German > French) previously associated to phonological processing. Our results show that reading in a shallow language was associated to a stronger engagement of phonological pathways than reading in a deep language. Thus, the lexical pathways favored in word reading are reinforced by phonological networks more strongly in the shallow than deep orthography.
Faculty
Faculté des sciences et de médecine
Department
Médecine 3ème année
Language
  • English
Classification
Biological sciences
License
License undefined
Identifiers
Persistent URL
https://folia.unifr.ch/unifr/documents/304807
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