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High resolution CMRO2 in visual cortex of macaca mulatta

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Bohraus,  Y
Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

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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;

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

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Citation

Bohraus, Y., Logothetis, N., & Goense, J. (2011). High resolution CMRO2 in visual cortex of macaca mulatta. Poster presented at 19th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2011), Montréal, Canada.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-BBFA-9
Abstract
Current fMRI-methods are based on changes in cerebral blood flow and/or oxygenation. Since these methods measure hemodynamic signals, changes in BOLD or CBF may not always accurately reflect changes in the actual energy use of the brain. We determined CMRO2 in macaques during visual stimulation at high resolution. The CMRO2values and the ratio of fractional CBF and CMRO2 changes were consistent with those reported in the literature.