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| Research article summary (published 30 May 2002): |
Putative tests of frontal lobe function: a PET-study of brain activation during Stroop's Test and verbal fluency.
Full Abstract
Stroop's test and the Verbal Fluency test are commonly argued to be measures of the integrity of the prefrontal cortex. This assumption has only to some degree been confirmed by lesion studies. In the present study, Positron Emission Tomography (PET) with H(2)(15)O was used to further validate Stroop's test and the Verbal Fluency as measures of frontal lobe function; both tests were implemented as activation paradigms during scanning of normal middleaged individuals. Stroop interference was found to activate the left anterior cingulate cortex, the supplementary motor cortex, thalamus, and the cerebellum. Although the prominent anterior cingulate activation is in the frontal lobe, it is not prefrontal. Verbal Fluency activated the left inferior frontal cortex and the left dorsolateral prefrontal cortex, the supplementary motor cortex, the anterior cingulate cortex and the cerebellum. These results bring this latter test closer to being a specific test of prefrontal function.
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Author information
Author/s: Ravnkilde, Barbara (B); Videbech, Poul (P); Rosenberg, Raben (R); Gjedde, Albert (A); Gade, Anders (A);
Affiliation: Institute for Basic Psychiatric Research, Department of Biological Psychiatry, Psychiatric Hospital, Aarhus University Hospitals, Denmark. bje(-atsign-)psykiatri.aaa.dk
Journal and publication information
Publication Type: Journal Article
Journal: Journal of clinical and experimental neuropsychology (J Clin Exp Neuropsychol), published in Netherlands. (Language: eng)
Reference: 2002-Jun; vol 24 (issue 4) : pp 534-47
Dates: Created 2002/08/20; Completed 2002/10/21; Revised 2008/04/14;
PMID: 12187466, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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