Motor, somatosensory and auditory cortex localization by fMRI and MEG

Stippich, C; Freitag P, Kassubek J, Sörös P, Kamada K, Kober H, Scheffler, K; Hopfengärtner R, Bilecen D, Radü, EW; Vieth, J-B

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Motor, somatosensory and auditory cortex localization by fMRI and MEG

Stippich, C., Freitag P, Kassubek J, Sörös P, Kamada K, Kober H, Scheffler, K., Hopfengärtner R, Bilecen D, Radü, E., & Vieth, J.-B. (1998). Motor, somatosensory and auditory cortex localization by fMRI and MEG. Neuroreport, 9(9), 1953-1957. Retrieved from http://journals.lww.com/neuroreport/pages/articleviewer.aspx?year=1998issue=06220article=00007type=abstract.

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Datensatz-Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-E85D-4 Versions-Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-E85E-2

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Stippich, C, Autor
Freitag P, Kassubek J, Sörös P, Kamada K, Kober H, Scheffler, K¹, Autor
Hopfengärtner R, Bilecen D, Radü, EW, Autor
Vieth, J-B, Autor

Affiliations:
1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796

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Zusammenfassung: FUNCTIONAL magnetic resonance imaging (fMRI) and magnetoencephalography (MEG) were performed in six subjects during self-paced finger movement performance, tactile somatosensory stimulation and binaural auditory stimulation using identical stimulation paradigms. Both functional imaging modalities localized brain activity in adjacent areas of anatomically correct cortex. The mean distances measured between fMRI activity and the corresponding MEG dipoles were 10.1 mm (motor), 10.7 mm (somatosensory), 13.5 mm (auditory right hemisphere) and 14.3 mm (auditory left hemisphere). The distances found may reflect the correlation between electrophysiological and hemodynamic responses due to the different underlying substrates of neurophysiology measured by fMRI and MEG: BOLD contrast vs neuronal biomagnetic activity.