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Revista Brasileira de Psiquiatria

Print version ISSN 1516-4446On-line version ISSN 1809-452X


MERCADANTE, Marcos T; VAN DER GAAG, Rutger J  and  SCHWARTZMAN, Jose S. Non-autistic pervasive developmental disorders: Rett syndrome, disintegrative disorder and pervasive developmental disorder not otherwise specified. Rev. Bras. Psiquiatr. [online]. 2006, vol.28, suppl.1, pp.s12-s20. ISSN 1516-4446.

The category "Pervasive Developmental Disorders" includes autistic disorder, Asperger's syndrome, Rett's syndrome, childhood disintegrative disorder, and a residual category, named pervasive developmental disorder not otherwise specified. In this review, Rett's syndrome and childhood disintegrative disorder, which are well-defined categories, will be discussed, as well as the not well defined categories that have been included in the Pervasive Developmental Disorder Not Otherwise Specified group. Different proposals of categorization have been created, some of which based on descriptive phenomenological approach, and others based upon other theoretical perspectives, such as neuropsychology. Current proposals are presented and discussed, followed by critical appraisals on the clinical advantages and disadvantages of these concepts.

Keywords : Child psychiatry; Children development disorders; pervasive; Rett syndrome; Childhood disintegrative disorder; Diagnosis; clinical.

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