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Poster

Detection and Correction of Motion-Induced Susceptibility Changes in fMRI Time Series of the Alert Monkey

MPS-Authors
/persons/resource/persons84137

Pfeuffer,  J
Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons84237

Steudel,  T
Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons84063

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

External Resource

https://cds.ismrm.org/ismrm-2006/files/program.pdf
(Abstract)

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Citation

Pfeuffer, J., Steudel, T., Merkle, H., & Logothetis, N. (2006). Detection and Correction of Motion-Induced Susceptibility Changes in fMRI Time Series of the Alert Monkey. Poster presented at 14th Scientific Meeting of the International Society of Magnetic Resonance in Medicine (ISMRM 2006), Seattle, WA, USA.


Cite as: https://hdl.handle.net/21.11116/0000-0004-C721-6
Abstract
Functional MR imaging in the alert, behaving monkey is increasingly used to provide both electrophysiological and MR data in the context of neuroscience research. So far, several labs reported fMRI data from the awake monkey, but none of them studied and optimized systematically the effects of monkey’s motion to fMRI time series. Here, were report a significant refinement of acquisition and correction strategies to minimize magnetic susceptibility artifacts
induced by respiration, mouth, and body movement. Real-time feedback of sensor signals correlated with MR navigator data was combined with targeted animal training and fMRI correction strategies.