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Working memory and supervisory control after severe closed-head injury. A study of dual task performance and random generation
Azouvi, Philippe; Jokic, Corinne; Van der Linden, Martial
1996In Journal of Clinical and Experimental Neuropsychology, 18 (3), p. 317-337
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Keywords :
Brain Injuries; Attention; Injury TBI
Abstract :
[en] Survivors of severe closed-head injury (CHI) frequently suffer from slowed information processing. Whether supervisory strategies are additionally impaired remains a point of debate. The first part of this study employed a serf-paced dual task; the second part, a random generation task, performed at a paced rate, under single and dual task conditions. A measure of information processing speed was used as a covariate in statistical analysis. In the first experiment, in addition to slow processing, patients performed slightly poorer than controls on each task. In the second experiment, patients' performance (one randomness index in single task condition, and processing of dual task) was impaired even after statistical control of slow processing. These results suggest that there is at least some degree of impairment in supervisory strategies in addition to, but independent of, slowed processing. The clinical significance of this finding is discussed.
Disciplines :
Neurosciences & behavior
Author, co-author :
Azouvi, Philippe
Jokic, Corinne
Van der Linden, Martial ;  Université de Liège - ULiège > Département des sciences cognitives > Psychopathologie cognitive
Language :
English
Title :
Working memory and supervisory control after severe closed-head injury. A study of dual task performance and random generation
Publication date :
1996
Journal title :
Journal of Clinical and Experimental Neuropsychology
ISSN :
1380-3395
eISSN :
1744-411X
Publisher :
Taylor & Francis, New York, United States - New York
Volume :
18
Issue :
3
Pages :
317-337
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 16 November 2019

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