Diagnostic criteria for the Zappella variant of Rett syndrome (the preserved speech variant)

  title={Diagnostic criteria for the Zappella variant of Rett syndrome (the preserved speech variant)},
  author={A. Renieri and F. Mari and M. A. Mencarelli and E. Scala and M. Zappella},
  journal={Brain and Development},
  • A. Renieri, F. Mari, +2 authors M. Zappella
  • Published 2009
  • Psychology, Medicine
  • Brain and Development
  • The preserved speech variant is the milder form of Rett syndrome: affected girls show the same stages of this condition and by the second half of the first decade are making slow progress in manual and verbal abilities. They walk without help, and may be able to make simple drawings and write a few words. Most of them can speak in sentences. Autistic behavior can often be observed. We previously described several cases in the pre-molecular era and subsequently reported a survey of 12 cases with… CONTINUE READING
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