| Inhibition/switching is not necessarily harder than inhibition: an analysis of the D-KEFS color-word interference test. | |
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MedLine Citation:
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PMID: 20139109 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The Delis-Kaplan Executive Function System (D-KEFS) Color-Word Interference Test (CWIT) was designed to improve upon the Stroop task by including an inhibition/switching trial, which was designed to be more difficult than the inhibition trial in terms of time to completion and number of errors. The D-KEFS standardization data support this view. However, in clinical practice, we have noticed that many people perform better on the inhibition/switching trial than the inhibition trial. We examined the prevalence and correlates of this atypical performance pattern on the CWIT. Patients seeking outpatient neuropsychological evaluation (n = 119) completed the CWIT as part of a larger test battery. About 57.1% of patients demonstrated an atypical pattern of performance for either completion time or errors. Patients with an atypical pattern for completion time were significantly slower at color naming and word reading than patients with a typical pattern. Patients with an atypical pattern for errors performed better on measures of learning and semantic verbal fluency than patients with a typical pattern. A majority of patients in our sample exhibited atypical performance on the CWIT, and some preliminary correlates of this pattern might aid clinical interpretation. |
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Authors:
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Sara M Lippa; Robert N Davis |
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Publication Detail:
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Type: Evaluation Studies; Journal Article Date: 2010-02-04 |
Journal Detail:
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Title: Archives of clinical neuropsychology : the official journal of the National Academy of Neuropsychologists Volume: 25 ISSN: 1873-5843 ISO Abbreviation: Arch Clin Neuropsychol Publication Date: 2010 Mar |
Date Detail:
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Created Date: 2010-02-11 Completed Date: 2010-05-05 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9004255 Medline TA: Arch Clin Neuropsychol Country: United States |
Other Details:
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Languages: eng Pagination: 146-52 Citation Subset: IM |
Affiliation:
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University of Houston, Houston, TX, USA. |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Aged, 80 and over Aging / psychology* Color Perception* Discrimination Learning Female Humans Inhibition (Psychology)* Male Neuropsychological Tests* Outpatients / psychology Pattern Recognition, Visual Problem Solving Psychomotor Performance* Reaction Time Reading Task Performance and Analysis Verbal Behavior* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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