[Smell recognition in pervasive developmental disorders].

Abstract:

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.

journal_name

Arq Neuropsiquiatr

authors

Assumpção FB Jr,Adamo S

doi

10.1590/s0004-282x2007000700021

subject

Has Abstract

pub_date

2007-12-01 00:00:00

pages

1200-5

issue

4B

eissn

0004-282X

issn

1678-4227

pii

S0004-282X2007000700021

journal_volume

65

pub_type

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