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Radiologe. 1995 Apr;35(4):290-3.

[Correlation of results of localization by functional magnetic resonance tomography with magnetoencephalography].

[Article in German]

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Neurologische Klinik, Universit├Ąt Wien.


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 yet known. This study compares the center 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.

[Indexed for MEDLINE]

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