reconhecimento olfativo nos transtornos invasivos do desenvolvimento smell recognition in pervasive developmental disorders

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ID: 213377
2007
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Abstract
OBJETIVO: Avaliar o reconhecimento olfativo nos transtornos invasivos do desenvolvimento (TID). MÉTODO: Vinte e um adolescentes do sexo masculino com TID (grupo experimental) e 21 controles pareados (grupo controle) foram submetidos a um teste olfativo padronizado, consistindo em doze estímulos, em três momentos distintos: sem nenhuma sugestão quanto à identificação; associados a quatro alternativas lingüísticas para cada estímulo; e reapresentados, 25 dias após, sem alternativas lingüísticas. Avaliaram-se os resultados obtidos através de teste t e análise de variância (p=0,05). RESULTADOS: O grupo experimental apresentou pior desempenho que o controle. Em ambos os grupos, os acertos aumentaram após estímulo e, após 25 dias, os acertos diminuíram, mas mantiveram um nível maior que aquele observado ao momento inicial, sem estímulo (p<0,001). A diferença foi maior após 25 dias, com o grupo experimental apresentando pior memória olfativa do momento anterior (p<0,001). CONCLUSÃO: O grupo experimental apresentou menores taxas de reconhecimento, independente das pistas anteriormente fornecidas, o que sugere uma dificuldade na associação do fenômeno e seu significado semântico. Mesmo com a nomeação dos odores controlada, a diferença nas taxas de reconhecimento permanece entre os dois grupos, não apenas com padrão deficitário, mas qualitativamente alterado.
AIM: To evaluate smell recognition in pervasive developmental disorders (PDD). METHOD: Twenty-one PDD (experimental group) and 21 matched controls (control group) male adolescents were submitted to a standardized, 12-stimuli, smell battery in three moments: with no identification suggestion; associated to four linguistic alternatives for each stimulus, and submitted again, 25 days after, with no linguistic alternatives. Data was analyzed by t test and variance analysis (p=0,05). RESULTS: The experimental group scored worse than control group. Both groups scored better after stimuli and, after 25 days, scores lowered, but stayed higher than initially, without any stimuli (p<0,001). The gap was higher after 25 days, when the experimental group showed poorer smell memory from initial presentation (p<0,001). CONCLUSION: The experimental group showed lower recognition scores, unrelated to clues previously offered, which suggests a difficulty in phenomena and semantic meaning association. Even after matching odors nomination, the gap of recognition scores remains between groups, not only in a deficitary pattern, but also qualitatively disturbed.
Reference Key
jr.2007arquivosreconhecimento Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Francisco B. Assumpção Jr., Samanta Adamo
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Journal communications in computer and information science
Year 2007
DOI
10.1590/S0004-282X2007000700021
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0004-282X2007000700021
Keywords
neuropsychiatry biological psychiatry

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