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Behavioural Neurology
Volume 25 (2012), Issue 3, Pages 185-191

Progressive Dyslexia: Evidence from Hungarian and English

Judit Druks,1 Jennifer Aydelott,2 Marios Genethliou,1 Helen Jacobs,1 and Brendan Weekes3

1University College London, London, UK
2Birkbeck College, London, UK
3University of Hong Kong, Hong Kong, China

Received 16 March 2012; Accepted 16 March 2012

Copyright © 2012 Hindawi Publishing Corporation and the authors. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We report a patient with non-fluent Primary Progressive Aphasia who was premorbidly literate in two alphabetic scripts, Hungarian (L1) and English (L2). Testing was performed over a two-year period to assess the impact of progressive illness on oral reading and repetition of single words. Results showed significant decline in oral reading in both languages, and an effect of language status in favour of oral reading in L1. Phonological complexity was a significant predictor of oral reading decline in both languages. Of interest, we observed an effect of language status on task performance whereby repetition was better in L2 than L1 but oral reading was better in L1 than L2. We conclude that language status has an effect on repetition and oral reading abilities for bilingual speakers with non-fluent Primary Progressive Aphasia.