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Near-infrared spectroscopy can detect brain activity during a color-word matching Stroop task in an event-related design

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Schroeter,  Matthias L.
MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Zysset,  Stefan
MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Kupka,  Thomas
MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Kruggel,  F.
Department Cognitive Neurology, MPI for Human Cognitive and Brain Sciences, Max Planck Society;
MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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von Cramon,  D. Yves
MPI of Cognitive Neuroscience (Leipzig, -2003), The Prior Institutes, MPI for Human Cognitive and Brain Sciences, Max Planck Society;

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Citation

Schroeter, M. L., Zysset, S., Kupka, T., Kruggel, F., & von Cramon, D. Y. (2002). Near-infrared spectroscopy can detect brain activity during a color-word matching Stroop task in an event-related design. Human Brain Mapping, 17(1), 61-71. doi:10.1002/hbm.10052.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0010-C9F3-1
Abstract
Brai nactivit ycanbemonitore dnon-invasivel ybynear-infrare dspectroscop y(NIRS) ,whic hhas severa ladvantage sincompariso nwit hothe rimagin gmethods ,suc hasflexibility ,portability ,low cost an dbiochemica lspecificity .Moreover ,patient san dchildre ncanberepetitivel yexamined .Therefore ,the objectiv eofthestud ywa stotes tthefeasibilit yofNIR Sfortheevent-relate dapproac hinfunctiona lbrain activatio nstudie swit hcognitiv eparadigms .Thus ,change sintheconcentratio nofoxy- ,deoxy- ,an dtotal hemoglobi nwer emeasure d byNIR Sin14health ysubject swhil eperformin ga color–wor d matching Stroo p tas k in an event-relate d design .Th ehemodynami crespons e(increas ein theconcentratio n of oxy-/tota lhemoglobi n an d decreas ein theconcentratio n ofdeoxy-hemoglobin )wa sstronge rduring incongruen tcompare dtocongruen tan dneutra ltrial softheStroo ptas kinthelatera lprefronta lcortex bilaterally .Thi sstronge rhemodynami crespons ewa sinterprete dasa stronge rbrai nactivatio nduring incongruen ttrial softheStroo ptask ,du etointerference .A ne w metho dforNIR Sdat aevaluatio nthat enable stheanalysi softhehemodynami crespons etoeac hsingl etria lisintroduced .Eac hhemodynamic respons ewa scharacterize dbytheparameter sgain ,lagan ddispersio nofa Gaussia nfunctio nfitte dby nonlinea rregression .Specifi cdifference sbetwee ntheincongruen tan dneutra lconditio nwer efoun dfor gai nan dlag .Further ,thes eparameter swer ecorrelate dwit hthebehaviora lperformance .Inconclusion, brai nactivit yma ybestudie d byNIR Susin gcognitiv estimul iinanevent-relate d design .