Document Detail


Comparing the Fused Dichotic Words Test and the Intracarotid Amobarbital Procedure in children with epilepsy.
MedLine Citation:
PMID:  10865097     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The validity of the Fused Dichotic Words Test (FDWT) in predicting the nature of speech representation, as determined by the Intracarotid Amobarbital Procedure (IAP), was examined in a sample of 28 children with epilepsy. Various methods of analysis (difference score, lambda, and lambda(*)), for the FDWT data were calculated and compared. Results showed the validity of the FDWT did not change depending on the method of analysis. The difference scores showed that 18 of the 19 patients with left hemisphere speech obtained right-ear advantages, while the patient with right hemisphere speech showed a left-ear advantage. As a group, patients with left-hemisphere speech obtained a statistically significant right-ear advantage for the lambda and lambda(*) indices, while the patient with right-hemisphere speech showed a left-ear advantage that was also significant for both lambda measures. Patients with bilateral speech, as a group, displayed a non-significant ear advantage. Some of the scores from the left-hemisphere group overlapped with those from patients with bilateral speech representation. Controlling for stimulus dominance effects using the lambda(*) measure did not improve classification accuracy for nature of speech representation based on FDWT scores. Finally, comparison of our data using the laterality index from a similar study, showed scores smaller in magnitude than that found in adults with epilepsy.
Authors:
M A Fernandes; M L Smith
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Neuropsychologia     Volume:  38     ISSN:  0028-3932     ISO Abbreviation:  Neuropsychologia     Publication Date:  2000  
Date Detail:
Created Date:  2000-09-19     Completed Date:  2000-09-19     Revised Date:  2009-11-11    
Medline Journal Info:
Nlm Unique ID:  0020713     Medline TA:  Neuropsychologia     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  1216-28     Citation Subset:  IM    
Affiliation:
Department of Psychology, University of Toronto at Mississauga, 3359 Mississauga Road North, Mississauga, Ontario, L5L 1C6, Canada. myra@psych.utoronto.ca
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Amobarbital / diagnostic use
Analysis of Variance
Child
Dominance, Cerebral*
Epilepsy / psychology*
Female
Functional Laterality
GABA Modulators / diagnostic use
Humans
Male
Neuropsychological Tests / standards*
Predictive Value of Tests
Speech / drug effects,  physiology*
Chemical
Reg. No./Substance:
0/GABA Modulators; 57-43-2/Amobarbital

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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