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Title: Verbal fluency over time as a measure of automatic and controlled processing in children with ADHD
Authors: Hurks, P P M ×
Hendriksen, J G M
Vles, J S H
Kalff, A C
Feron, F J M
Kroes, M
van Zeben, T M C B
Steyaert, Jean
Jolles, J #
Issue Date: Aug-2004
Publisher: Academic Press
Series Title: Brain and Cognition vol:55 issue:3 pages:535-544
Abstract: The performance of ADHD children on semantic category fluency (SCF) versus initial letter fluency (ILF) tasks was examined. For each participant, word production was recorded for each 15-s time slice on each task. Performance on both fluency tasks was compared to test the hypothesis that children with ADHD are characterized by a performance deficit on the ILF task because performance on this task is less automated than performance on the SCF. Children classified with ADHD (N = 20) were compared to children with other psychopathology (N = 118) and healthy controls (N = 130). Results indicated that the groups could not be differentiated by the total number of words produced in 60 s in either fluency task. As hypothesized, a significant interaction of group by productivity over time by type of fluency task was found: ADHD children had more problems finding words in the first 15 s of the IFL than did children in the other two groups, and as compared with their performance on the SCF. Results were taken to indicate that children with ADHD symptoms show a delay in the development of automating skills for processing abstract verbal information.
URI: 
ISSN: 0278-2626
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Research Group Psychiatry
× corresponding author
# (joint) last author

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