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Simultaneous recording of neuronal signals and functional NMR imaging

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons84733

Oeltermann,  A
Max Planck Institute for Biological Cybernetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons83787

Augath,  MA
Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons84063

Logothetis,  NK
Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society;

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Citation

Oeltermann, A., Augath, M., & Logothetis, N. (2007). Simultaneous recording of neuronal signals and functional NMR imaging. Magnetic Resonance Imaging, 25(6), 760-774. doi:10.1016/j.mri.2007.03.015.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-CCAD-0
Abstract
We recently directly examined the relationship between blood-oxygen-level-dependent (BOLD) functional magnetic resonance imaging (fMRI) signals and neural activity by simultaneously acquiring electrophysiological and fMRI data from monkeys in a 4.7-T vertical scanner (Logothetis NK, Pauls J, Augath MA, Trinath T, Oeltermann A. Neurophysiological investigation of the basis of the fMRI signal. Nature 2001;412:150–157). Acquisition of electrical signals in the microvolt range required extensive development of new recording hardware, including electrodes, microdrives, signal conditioning and interference compensation devices. Here, we provide a detailed description of the interference compensation system that can be used to record field and action potentials intracortically within a high-field scanner.