Journal
JOURNAL OF CLINICAL AND EXPERIMENTAL NEUROPSYCHOLOGY
Volume 33, Issue 4, Pages 456-470Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/13803395.2010.533157
Keywords
Executive function; Latent semantic analysis; Hierarchical cluster analysis; Neuropsychological assessment; Cognitive processes
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Funding
- Natural Sciences and Engineering Research Council of Canada (NSERC)
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The concept of executive function (EF) is deemed unclear and difficult to operationalize. We use a multiperspective approach to quantify and reduce the current proliferation of EFs. A literature review of 60 studies identified 68 subcomponents of EF: Through objective statistical techniques, these terms were reduced to 18 by removing semantic overlap (using latent semantic analysis) and psychometric overlap (using hierarchical cluster analysis). However, still such a large number of functions lacks parsimony. We therefore revisit the concept of EF and suggest that the many proposed subcomponents are not functions per se but rather a number of task-specific behaviors.
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