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| Research article summary (published 30 Mar 2003): |
Tracking cognitive processes with functional MRI mental chronometry.
Full Abstract
Functional magnetic resonance imaging (fMRI) is used widely to determine the spatial layout of brain activation associated with specific cognitive tasks at a spatial scale of millimeters. Recent methodological improvements have made it possible to determine the latency and temporal structure of the activation at a temporal scale of few hundreds of milliseconds. Despite the sluggishness of the hemodynamic response, fMRI can detect a cascade of neural activations - the signature of a sequence of cognitive processes. Decomposing the processing into stages is greatly aided by measuring intermediate responses. By combining event-related fMRI and behavioral measurement in experiment and analysis, trial-by-trial temporal links can be established between cognition and its neural substrate.
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Author information
Author/s: Formisano, Elia (E); Goebel, Rainer (R);
Affiliation: Department of Cognitive Neuroscience, Faculty of Psychology, Maastricht University, Postbus 616, 6200 MD, Maastricht, The Netherlands. e.formisano(-atsign-)psychology.unimass.nl
Journal and publication information
Publication Type: Journal Article; Review
Journal: Current opinion in neurobiology (Curr Opin Neurobiol), published in England. (Language: eng)
Reference: 2003-Apr; vol 13 (issue 2) : pp 174-81
Dates: Created 2003/05/14; Completed 2003/07/08; Revised 2005/11/16;
PMID: 12744970, 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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