Reference TypeConference Proceedings
Citation KeyDuqueSturAraúFeli:2007:NeMeDe
Author1 Duque, Juliano Jinzenji
2 Sturzbecher, Marcio Junior
3 Araújo, Dráulio Barros de
4 Felipe, Joaquim Cezar
Affiliation1 University of São Paulo
2 University of São Paulo
3 Universitiy of São Paulo
4 University of São Paulo
TitleA New Method for Detection of Active Brain Regions with Event-Related fMRI Time Series Analysis
Conference NameBrazilian Symposium on Computer Graphics and Image Processing, 20 (SIBGRAPI)
EditorFalcão, Alexandre Xavier
Lopes, Hélio Côrtes Vieira
Book TitleProceedings
DateOct. 7-10, 2007
Publisher CityLos Alamitos
PublisherIEEE Computer Society
Conference LocationBelo Horizonte
KeywordsfMRI, time series analysis, dynamic time warping.
AbstractFunctional magnetic resonance imaging (fMRI) has been applied with several purposes in clinical environment as well as in basic neuroscience studies. The main purpose of fMRI is to map brain activity, which is achieved by applying statistical methods to time series of each voxel intensity, related to changes in blood oxygen level, in response to a short stimulus. In this work, we propose a new method for the analysis of event-related fMRI based in the use of the Dynamic Time Warping technique to compare pixel intensity time series. The results show the ability to discriminate activated brain regions, when subjects were engaged in a motor task. .
Tertiary TypeFull Paper
FormatPrinted, On-line.
Size267 KiB
Number of Files1
Target Fileduque-fMRITimeSeriesAnalysis.pdf
Last Update2007: administrator
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