LOZANO, Maria Paz Fernández; FERRERAS, Aníbal Puente; GOMARIZ, Maria José Barahona    BOGDANOVITCH, Aurelio Palafox. Cognitive and behavioural features of the deseases Rett, Cri-du-Chat, X-fragil and Williams. []. , 16, 1, pp.39-50. ISSN 1729-4827.

The work aims to analyze the behavioural and cognitive characteristics of four rare diseases (Rett, Cri du Chat, Williams and X-Fragile syndromes) and its impact on education and clinical context. For each of the syndromes we explore common and distinct traits by following a basic scheme: a brief history of the disease, etiology, prevalence, diagnosis, prognosis, genotype and phenotype, intellectual-linguists-psychomotor disabilities, diagnosis instruments, and their impact within the school and family. Recently there is a large scientific production of the medical community related to the subject; however, there is not rigorous and adapted information for families, associations and professionals who work with these populations such as: occupational therapists special education teachers, language therapists, psychologists. There is a felt need among these professionals to translate scientific languages into effective intervention activities.

: Syndromes; Rett; Cri-du-Chat; Williams; X-Fragile; Genotype; Phenotype.

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