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Comparing Localization of Conventional Functional Magnetic Resonance Imaging and Magnetoencephalography
Author(s) -
Beisteiner R.,
Gomiscek G.,
Erdler M.,
Teichtmeister C.,
Moser E.,
Deecke L.
Publication year - 1995
Publication title -
european journal of neuroscience
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.346
H-Index - 206
eISSN - 1460-9568
pISSN - 0953-816X
DOI - 10.1111/j.1460-9568.1995.tb01101.x
Subject(s) - magnetoencephalography , functional magnetic resonance imaging , magnetic resonance imaging , nuclear magnetic resonance , psychology , neuroscience , physics , medicine , radiology , electroencephalography
The technique of functional magnetic resonance imaging (FMRI) allows the measurement of functional cerebral blood flow changes occurring with specific tasks. However, the spatial relationship between neuronal activity and functional cerebral blood flow changes is not kno'wn yet. This study compares the centre of neuronal activation (measured by magnetoencephalography) with that of the blood flow response (measured by FMRI) to unilateral motor stimulation in eight subjects. The results show a mean localization difference of 1.6 cm and demand application of methodological improvements as recently suggested.