Dementia & neuropsychologia · 2009
Cognitive dysfunction in spinocerebellar ataxias.
СтатьяОбзорНазвание и аннотация: Перевод в очереди
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Teive Helio Afonso Ghizoni, Arruda Walter Oleschko
Аннотация
UNLABELLED: Spinocerebellar ataxias (SCAs) comprise a heterogeneous group of complex neurodegenerative diseases, characterized by the presence of progressive cerebellar ataxia, associated or otherwise with ophthalmoplegia, pyramidal signs, extrapyramidal features, pigmentary retinopathy, peripheral neuropathy, cognitive dysfunction and dementia.
OBJECTIVE: To verify the presence of cognitive dysfunction among the main types of SCA described in the literature.
METHODS: the review was conducted using the search system of the PUBMED and OMIM databases.
RESULTS: Cognitive dysfunction occurs in a considerable proportion of SCA, particularly in SCA 3, which is the most frequent form of SCA worldwide. Dementia has been described in several other types of SCA such as SCA 2, SCA 17 and DRPLA. Mental retardation is a specific clinical feature of SCA 13.
CONCLUSIONS: The role of the cerebellum in cognitive functions has been observed in different types of SCAs which can manifest varying degrees of cognitive dysfunction, dementia and mental retardation.
OBJECTIVE: To verify the presence of cognitive dysfunction among the main types of SCA described in the literature.
METHODS: the review was conducted using the search system of the PUBMED and OMIM databases.
RESULTS: Cognitive dysfunction occurs in a considerable proportion of SCA, particularly in SCA 3, which is the most frequent form of SCA worldwide. Dementia has been described in several other types of SCA such as SCA 2, SCA 17 and DRPLA. Mental retardation is a specific clinical feature of SCA 13.
CONCLUSIONS: The role of the cerebellum in cognitive functions has been observed in different types of SCAs which can manifest varying degrees of cognitive dysfunction, dementia and mental retardation.