Late acquisition of literacy in a native language.

Human Brain Mapping
Jubin AbutalebiDaniela Perani

Abstract

With event-related functional MRI (fMRI) and with behavioral measures we studied the brain processes underlying the acquisition of native language literacy. Adult dialect speakers were scanned while reading words belonging to three different conditions: dialect words, i.e., the native language in which subjects are illiterate (dialect), German words, i.e., the second language in which subjects are literate, and pseudo-words. Investigating literacy acquisition of a dialect may reveal how novel readers of a language build an orthographic lexicon, i.e., establish a link between already available semantic and phonological representations and new orthographic word forms. The main results of the study indicate that a set of regions, including the left anterior hippocampal formation and subcortical nuclei, is involved in the buildup of orthographic representations. The repeated exposure to written dialect words resulted in a convergence of the neural substrate to that of the language in which these subjects were already proficient readers. The latter result is compatible with a "fast" brain plasticity process that may be related to a shift of reading strategies.

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Citations

Oct 20, 2007·Cerebral Cortex·Jubin AbutalebiAsaid Khateb
Feb 10, 2009·Journal of Cognitive Neuroscience·Anna Mestres-MisséAntoni Rodriguez-Fornells
Apr 28, 2012·Brain and Language·Jubin AbutalebiDaniela Perani
Jul 19, 2008·Brain and Language·Michael W L Chee
Dec 3, 2014·Cortex; a Journal Devoted to the Study of the Nervous System and Behavior·Liu TuRuiwang Huang
May 16, 2008·Acta Psychologica·Jubin Abutalebi
Feb 13, 2013·Brain and Language·Chaitra RaoNandini C Singh
Aug 17, 2021·NeuroRehabilitation·George P PrigatanoLígia M N Souza

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