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Brain Routes for Reading in Adults with and without Autism: EMEG Evidence

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Author

  • Rachel L. Moseley
  • Friedemann Pulvermueller
  • Bettina Mohr
  • Michael V. Lombardo
  • Simon Baron-Cohen
  • Yury Shtyrov

Summary, in English

Reading utilises at least two neural pathways. The temporal lexical route visually maps whole words to their lexical entries, whilst the nonlexical route decodes words phonologically via parietal cortex. Readers typically employ the lexical route for familiar words, but poor comprehension plus precocity at mechanically 'sounding out' words suggests that differences might exist in autism. Combined MEG/EEG recordings of adults with autistic spectrum conditions (ASC) and controls while reading revealed preferential recruitment of temporal areas in controls and additional parietal recruitment in ASC. Furthermore, a lack of differences between semantic word categories was consistent with previous suggestion that people with ASC may lack a 'default' lexical-semantic processing mode. These results are discussed with reference to dual-route models of reading.

Publishing year

2014

Language

English

Pages

137-153

Publication/Series

Journal of Autism and Developmental Disorders

Volume

44

Issue

1

Document type

Journal article

Publisher

Springer

Topic

  • General Language Studies and Linguistics

Keywords

  • Reading
  • Dual-route model
  • Hyperlexia
  • Semantics
  • EEG
  • MEG

Status

Published

ISBN/ISSN/Other

  • ISSN: 0162-3257