Abstract
Following its introduction over a decade ago, functional magnetic resonance imaging (fMRI) based on the blood oxygenation level dependent (BOLD) contrast (Ogawa et al. 1990) has become the tool of choice for visualizing neural activity in the human brain. The conventional BOLD approach has been extensively used for pinpointing functional foci of vision, motor, language and memory in normal and clinical patients. Intraoperative localization of functional foci will greatly improve surgical planning for epilepsy and tumor dissection, and potentially, for deep brain stimulation. Therefore, it is critical to understand the spatial resolution of fMRI relative to the actual neural active site (see review articles, (Kim and Ogawa 2002; Kim and Ugurbil 2003)).
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Acknowledgments
This work was supported in part by NIH (EB003324, EB003375 & NS44589). The authors thank their colleagues in the laboratory for providing the figures, and for the discussion
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Kim, SG., Jin, T., Fukuda, M. (2010). Spatial Resolution of fMRI Techniques. In: Ulmer, S., Jansen, O. (eds) fMRI. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-68132-8_3
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DOI: https://doi.org/10.1007/978-3-540-68132-8_3
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