Document Detail


Components of executive function in typically developing and head-injured children.
MedLine Citation:
PMID:  14984329     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
To identify the key components of executive functions (EFs) in children following traumatic brain injury (TBI), data from a series of EF tests administered to 286 pediatric TBI patients at least 3 years postinjury were subjected to an exploratory factor analysis. A 5-factor model included discourse, EFs (e.g., problem solving, planning), processing speed (e.g., coding), declarative memory, and motor speed. Confirmatory factor analysis based on data obtained from 265 pediatric TBI patients at 3 months postinjury disclosed that the 5-factor model provided a good fit to the data. A second exploratory analysis of the 3-month postinjury data disclosed a 4-factor model in which processing speed and motor speed measures loaded on a common factor. Severity of TBI and age at test had significant effects on all factors in both the 5- and 4-factor models. Adaptive functioning, as measured by the Vineland Adaptive Behavioral Scale-Revised, was moderately related to factor scores at 3 years or longer postinjury, but weakly related to factor scores obtained at 3 months postinjury. The factor scores could be used in clinical trials to facilitate data reduction and appear to have validity as indicators of TBI outcome.
Authors:
Bonnie Brookshire; Harvey S Levin; James Song; Lifang Zhang
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Developmental neuropsychology     Volume:  25     ISSN:  8756-5641     ISO Abbreviation:  Dev Neuropsychol     Publication Date:  2004  
Date Detail:
Created Date:  2004-02-26     Completed Date:  2004-03-29     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8702038     Medline TA:  Dev Neuropsychol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  61-83     Citation Subset:  IM    
Affiliation:
Cognitive Neurscience Laboratory, Department of Physical Medicine and Rehabilitation, Baylor College of Medicine, Houston, TX 77030, USA.
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MeSH Terms
Descriptor/Qualifier:
Activities of Daily Living
Adolescent
Brain Injuries / classification,  physiopathology*
Child
Cognition / physiology
Communication
Factor Analysis, Statistical
Female
Follow-Up Studies
Glasgow Coma Scale
Humans
Intelligence / physiology
Intelligence Tests
Male
Neuropsychological Tests
Problem Solving / physiology*
Prospective Studies
Psychomotor Performance / physiology
Statistics, Nonparametric
Time Factors
Grant Support
ID/Acronym/Agency:
NS-21889/NS/NINDS NIH HHS

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


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