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Developmental arrest at the logographic stage: impaired literacy functions in Klinefelter's XXXY syndrome
Author(s) -
Seymour Philip H.K.,
Evans Henryka M.
Publication year - 1988
Publication title -
journal of research in reading
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.077
H-Index - 51
eISSN - 1467-9817
pISSN - 0141-0423
DOI - 10.1111/j.1467-9817.1988.tb00156.x
Subject(s) - spelling , reading (process) , psychology , frith , lexicon , klinefelter syndrome , literacy , linguistics , medicine , pediatrics , philosophy , pedagogy
We report an analysis of reading and spelling processes in a case of developmental disability associated with a genetic anomaly (Klinefelter XXXY syndrome). The results are interpreted within the framework of a model of reading and spelling development (Frith, 1985). An almost complete absence of alphabetic functions was noted. Reading appeared to be based on a ‘logographic lexicon’ (Seymour & Elder, 1986), and spelling on a letter sequence generator which was modifiable by access to a limited store of word images.