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  Light-driven single-vessel fMRI on the rat hippocampus

Chen, X.-M., Merkle, H., & Yu, X. (2016). Light-driven single-vessel fMRI on the rat hippocampus. In 24th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2016).

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Item Permalink: http://hdl.handle.net/21.11116/0000-0000-7CDA-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0000-E979-2
Genre: Meeting Abstract

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Chen, X-M1, 2, Author              
Merkle, H2, Author              
Yu, X2, 3, Author              
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1Research Group Translational Neuroimaging and Neural Control, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_2528695              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
3Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              

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 Abstract: Previously, we have developed a single-vessel fMRI method to visualize the hemodynamic signal propagation from individual venules and arterioles in the deep layer cortex. Here, we combined single-vessel fMRI with optogenetic photo-activation to map vessel-specific fMRI signal from the rat hippocampus. A MGE sequence was used to distinguish the individual arterioles and venules penetrating the main structure of the hippocampus. The BOLD-fMRI signal was mapped to overlap with the individual venules. This result makes it possible to study the coupled neuronal and vascular interaction in the focal hippocampal stroke rat model, which may mimic the pathophysiological basis of transient global amnesia in human.

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 Dates: 2016-05-10
 Publication Status: Published in print
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 Identifiers: BibTex Citekey: ChenMY2016
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Title: 24th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2016)
Place of Event: Singapore
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Title: 24th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2016)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 0480 Start / End Page: - Identifier: -