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Poster

Perfusion-based functional imaging in the monkey brain at 7T: investigations of CASL parameters

MPS-Authors
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Zappe,  A
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/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/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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Fulltext (public)

ISMRM-2006-Zappe.pdf
(Any fulltext), 145KB

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Citation

Zappe, A., Merkle, H., Pfeuffer, J., & Logothetis, N. (2006). Perfusion-based functional imaging in the monkey brain at 7T: investigations of CASL parameters. 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/11858/00-001M-0000-0013-D207-A
Abstract
Perfusion-based imaging in the monkey primary visual cortex was performed at 7 T applying continuous arterial spin labeling (CASL). Increased perfusion sensitivity and SNR at high magnetic field (due to larger T1) was further optimized using a custom-made three-coil setup with a separate neck labeling coil. We investigated the labeling parameters to obtain relative fCBF changes in the anaesthetized monkey. We report excellent functional activation of striate cortex at high resolution of 0.75x0.9mm2 in-plane. Interestingly, the optimal parameter set for obtaining highest signal changes of rCBF are different from the reported values for imaging gray matter CBF.