Hyperlexia in Spanish-speaking children: Report of 2 cases from Colombia, South America

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Abstract

Hyperlexia is a condition rarely reported in Spanish-speaking children, characterized by the ability to recognize written words without formal training. We present two unrelated autistic children with hyperlexia from Colombia (South America) who were followed for 8 years with formal neuropsychological evaluations of language, motor skills, visual perception, attention and behavior. Both children taught themselves to read before 5 years of age but showed minimal comprehension; both displayed obsessional reading and difficulties in social skills and attention. Brain CT scans were normal. Hyperlexia has been associated with hyperactivation of the left superior temporal cortex; we conclude that the orthographic route is a probable mechanism for the development of hyperlexia. © 2006 Elsevier B.V. All rights reserved.
Original languageEnglish (US)
Pages (from-to)39-45
Number of pages7
JournalJournal of the Neurological Sciences
DOIs
StatePublished - Nov 1 2006
Externally publishedYes

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